13970864 has 20 divisors (see below), whose sum is σ = 27375480. Its totient is φ = 6906240.

The previous prime is 13970851. The next prime is 13970881. The reversal of 13970864 is 46807931.

13970864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3482 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (1368774).

Almost surely, 2^13970864 is an apocalyptic number.

It is an amenable number.

13970864 is a deficient number, since it is larger than the sum of its proper divisors (13404616).

13970864 is an equidigital number, since it uses as much as digits as its factorization.

13970864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9902 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13970864 is about 3737.7618971786. The cubic root of 13970864 is about 240.8469152857.

The spelling of 13970864 in words is "thirteen million, nine hundred seventy thousand, eight hundred sixty-four".