12144716 has 12 divisors (see below), whose sum is σ = 21278040. Its totient is φ = 6065280.

The previous prime is 12144709. The next prime is 12144739. The reversal of 12144716 is 61744121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (1773170).

Almost surely, 2^12144716 is an apocalyptic number.

It is an amenable number.

12144716 is a deficient number, since it is larger than the sum of its proper divisors (9133324).

12144716 is a wasteful number, since it uses less digits than its factorization.

12144716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3542 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 12144716 is about 3484.9269719752. The cubic root of 12144716 is about 229.8594983092.

Adding to 12144716 its reverse (61744121), we get a palindrome (73888837).

The spelling of 12144716 in words is "twelve million, one hundred forty-four thousand, seven hundred sixteen".