13906836 has 24 divisors (see below), whose sum is σ = 36055040. Its totient is φ = 4635576.

The previous prime is 13906819. The next prime is 13906843. The reversal of 13906836 is 63860931.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13906836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64276 + ... + 64491.

Almost surely, 2^13906836 is an apocalyptic number.

It is an amenable number.

13906836 is an abundant number, since it is smaller than the sum of its proper divisors (22148204).

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

13906836 is a wasteful number, since it uses less digits than its factorization.

13906836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128780 (or 128772 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13906836 is about 3729.1870427749. The cubic root of 13906836 is about 240.4784206732.

The spelling of 13906836 in words is "thirteen million, nine hundred six thousand, eight hundred thirty-six".