wp: Order get_terms() Numerically [WordPress]

gistfile1.php

/**
 * Order get_terms() by number
 *
 * @param string       $orderby    ORDERBY clause of the terms query.
 * @param array        $args       An array of terms query arguments.
 * @param string|array $taxonomies A taxonomy or array of taxonomies.
 * @return string
 */
function prefix_get_terms_orderby_numeric( $orderby, $args, $taxonomies ) {

    // cast term name as number
    if ( in_array( 'numeric', $args ) )
        $orderby =  't.name * 1';

    return $orderby;
}
add_filter( 'get_terms_orderby', 'prefix_get_terms_orderby_numeric', 10,  3 );