Divisor 12419

To determine if any number is divisible by 12419, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 11 and 1129 - then it is divisible by 12419.

The following tests must pass:

• Test if a number is divisible by 11
• The "Roy Van Rossum Test" for Divisibility by 1129

Easy!