13873864 has 32 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 6552000.

The previous prime is 13873829. The next prime is 13873877. The reversal of 13873864 is 46837831.

13873864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10014 + ... + 11314.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^13873864 is an apocalyptic number.

It is an amenable number.

13873864 is a deficient number, since it is larger than the sum of its proper divisors (13624376).

13873864 is a wasteful number, since it uses less digits than its factorization.

13873864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1377 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 13873864 is about 3724.7636166608. The cubic root of 13873864 is about 240.2882185515.

The spelling of 13873864 in words is "thirteen million, eight hundred seventy-three thousand, eight hundred sixty-four".