Get Magento Customer by Entity ID

getcustomer.php

<?php

require_once('app/Mage.php');
umask(0);
Mage::app();

$customers = Mage::getResourceModel('customer/customer_collection')
	->addAttributeToSelect('*') // <- careful with this
	->addAttributeToFilter('entity_id', 15701);

foreach ($customers as $customer) {

    echo $customer->getPrefix();
    echo $customer->getName(); // Full Name
    echo $customer->getFirstname(); // First Name
    echo $customer->getMiddlename(); // Middle Name
    echo $customer->getLastname(); // Last Name
    echo $customer->getSuffix();
 
    // All other customer data
    echo $customer->getWebsiteId(); // ID
    echo $customer->getEntityId(); // ID
    echo $customer->getEntityTypeId(); // ID
    echo $customer->getAttributeSetId(); // ID
    echo $customer->getEmail();
    echo $customer->getGroupId(); // ID
    echo $customer->getStoreId(); // ID
    echo $customer->getCreatedAt(); // yyyy-mm-ddThh:mm:ss+01:00
    echo $customer->getUpdatedAt(); // yyyy-mm-dd hh:mm:ss
    echo $customer->getIsActive(); // 1
    echo $customer->getDisableAutoGroupChange();
    echo $customer->getTaxvat();
    echo $customer->getPasswordHash();
    echo $customer->getCreatedIn(); // Admin
    echo $customer->getGender(); // ID
    echo $customer->getDefaultBilling(); // ID
    echo $customer->getDefaultShipping(); // ID
    echo $customer->getDob(); // yyyy-mm-dd hh:mm:ss
    echo $customer->getTaxClassId(); // ID

}