13976664 has 32 divisors (see below), whose sum is σ = 37630320. Its totient is φ = 4300416.

The previous prime is 13976657. The next prime is 13976681. The reversal of 13976664 is 46667931.

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, 22087 + ... + 22710.

Almost surely, 2^13976664 is an apocalyptic number.

It is an amenable number.

13976664 is an abundant number, since it is smaller than the sum of its proper divisors (23653656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13976664 is a wasteful number, since it uses less digits than its factorization.

13976664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44819 (or 44815 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 13976664 is about 3738.5376820356. The cubic root of 13976664 is about 240.8802398495.

The spelling of 13976664 in words is "thirteen million, nine hundred seventy-six thousand, six hundred sixty-four".