13662172 has 12 divisors (see below), whose sum is σ = 23965200. Its totient is φ = 6814976.

The previous prime is 13662167. The next prime is 13662179. The reversal of 13662172 is 27126631.

It is a self number, because there is not a number n which added to its sum of digits gives 13662172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13662179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (1997100).

Almost surely, 2^13662172 is an apocalyptic number.

It is an amenable number.

13662172 is a deficient number, since it is larger than the sum of its proper divisors (10303028).

13662172 is a wasteful number, since it uses less digits than its factorization.

13662172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060 (or 8058 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 13662172 is about 3696.2375464789. The cubic root of 13662172 is about 239.0598170801.

The spelling of 13662172 in words is "thirteen million, six hundred sixty-two thousand, one hundred seventy-two".