13856828 has 6 divisors (see below), whose sum is σ = 24249456. Its totient is φ = 6928412.

The previous prime is 13856789. The next prime is 13856831. The reversal of 13856828 is 82865831.

13856828 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 as a sum of consecutive naturals, namely, 1732100 + ... + 1732107.

It is an arithmetic number, because the mean of its divisors is an integer number (4041576).

Almost surely, 2^13856828 is an apocalyptic number.

It is an amenable number.

13856828 is a deficient number, since it is larger than the sum of its proper divisors (10392628).

13856828 is a wasteful number, since it uses less digits than its factorization.

13856828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464211 (or 3464209 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 13856828 is about 3722.4760576799. The cubic root of 13856828 is about 240.1898266699.

The spelling of 13856828 in words is "thirteen million, eight hundred fifty-six thousand, eight hundred twenty-eight".