13664692 has 24 divisors (see below), whose sum is σ = 24786944. Its totient is φ = 6586272.

The previous prime is 13664657. The next prime is 13664711. The reversal of 13664692 is 29646631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18433 + ... + 19159.

Almost surely, 2^13664692 is an apocalyptic number.

It is an amenable number.

13664692 is a deficient number, since it is larger than the sum of its proper divisors (11122252).

13664692 is a wasteful number, since it uses less digits than its factorization.

13664692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 13664692 is about 3696.5784179427. The cubic root of 13664692 is about 239.0745144431.

The spelling of 13664692 in words is "thirteen million, six hundred sixty-four thousand, six hundred ninety-two".