13806936 has 160 divisors (see below), whose sum is σ = 45738000. Its totient is φ = 3836160.

The previous prime is 13806931. The next prime is 13806943. The reversal of 13806936 is 63960831.

13806936 = T₁₄₃ + T₁₄₄ + ... + T₄₄₀.

It is a happy number.

13806936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13806936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806931) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92590 + ... + 92738.

Almost surely, 2^13806936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13806936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22869000).

13806936 is an abundant number, since it is smaller than the sum of its proper divisors (31931064).

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

13806936 is a wasteful number, since it uses less digits than its factorization.

13806936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 178 counting only the distinct ones).

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

The square root of 13806936 is about 3715.7685611459. The cubic root of 13806936 is about 239.9012093406.

The spelling of 13806936 in words is "thirteen million, eight hundred six thousand, nine hundred thirty-six".