13704864 has 24 divisors (see below), whose sum is σ = 35975520. Its totient is φ = 4568256.

The previous prime is 13704857. The next prime is 13704869. The reversal of 13704864 is 46840731.

13704864 = 1230² + 1231² + ... + 1238².

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13704869) 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, 71284 + ... + 71475.

It is an arithmetic number, because the mean of its divisors is an integer number (1498980).

Almost surely, 2^13704864 is an apocalyptic number.

It is an amenable number.

13704864 is an abundant number, since it is smaller than the sum of its proper divisors (22270656).

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

13704864 is a wasteful number, since it uses less digits than its factorization.

13704864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142772 (or 142764 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 13704864 is about 3702.0081037188. The cubic root of 13704864 is about 239.3085654614.

The spelling of 13704864 in words is "thirteen million, seven hundred four thousand, eight hundred sixty-four".