13764664 has 32 divisors (see below), whose sum is σ = 27406800. Its totient is φ = 6462720.

The previous prime is 13764659. The next prime is 13764671. The reversal of 13764664 is 46646731.

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, 20494 + ... + 21154.

Almost surely, 2^13764664 is an apocalyptic number.

It is an amenable number.

13764664 is a deficient number, since it is larger than the sum of its proper divisors (13642136).

13764664 is a wasteful number, since it uses less digits than its factorization.

13764664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 819 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 13764664 is about 3710.0760100030. The cubic root of 13764664 is about 239.6561279056.

The spelling of 13764664 in words is "thirteen million, seven hundred sixty-four thousand, six hundred sixty-four".