13856808 has 48 divisors (see below), whose sum is σ = 40301280. Its totient is φ = 3958752.

The previous prime is 13856789. The next prime is 13856831. The reversal of 13856808 is 80865831.

It is a happy number.

It is a super-2 number, since 2×13856808² = 384022255897728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4716 + ... + 7067.

It is an arithmetic number, because the mean of its divisors is an integer number (839610).

Almost surely, 2^13856808 is an apocalyptic number.

It is an amenable number.

13856808 is an abundant number, since it is smaller than the sum of its proper divisors (26444472).

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

13856808 is a wasteful number, since it uses less digits than its factorization.

13856808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11806 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 13856808 is about 3722.4733712950. The cubic root of 13856808 is about 240.1897111120.

The spelling of 13856808 in words is "thirteen million, eight hundred fifty-six thousand, eight hundred eight".