13656472 has 16 divisors (see below), whose sum is σ = 25792200. Its totient is φ = 6778560.

The previous prime is 13656451. The next prime is 13656473. The reversal of 13656472 is 27465631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656473) 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, 5029 + ... + 7252.

Almost surely, 2^13656472 is an apocalyptic number.

It is an amenable number.

13656472 is a deficient number, since it is larger than the sum of its proper divisors (12135728).

13656472 is a wasteful number, since it uses less digits than its factorization.

13656472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12426 (or 12422 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 13656472 is about 3695.4664116996. The cubic root of 13656472 is about 239.0265663763.

The spelling of 13656472 in words is "thirteen million, six hundred fifty-six thousand, four hundred seventy-two".