13900836 has 24 divisors (see below), whose sum is σ = 32495904. Its totient is φ = 4624960.

The previous prime is 13900829. The next prime is 13900853. The reversal of 13900836 is 63800931.

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, 11056 + ... + 12248.

It is an arithmetic number, because the mean of its divisors is an integer number (1353996).

Almost surely, 2^13900836 is an apocalyptic number.

It is an amenable number.

13900836 is an abundant number, since it is smaller than the sum of its proper divisors (18595068).

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

13900836 is a wasteful number, since it uses less digits than its factorization.

13900836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13900836 is about 3728.3824911079. The cubic root of 13900836 is about 240.4438314952.

The spelling of 13900836 in words is "thirteen million, nine hundred thousand, eight hundred thirty-six".