13806656852 has 12 divisors (see below), whose sum is σ = 24375470196. Its totient is φ = 6842236800.

The previous prime is 13806656839. The next prime is 13806656881. The reversal of 13806656852 is 25865660831.

It can be written as a sum of positive squares in 2 ways, for example, as 7583971396 + 6222685456 = 87086^2 + 78884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13806656852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15272399 + ... + 15273302.

It is an arithmetic number, because the mean of its divisors is an integer number (2031289183).

Almost surely, 2^13806656852 is an apocalyptic number.

It is an amenable number.

13806656852 is a deficient number, since it is larger than the sum of its proper divisors (10568813344).

13806656852 is a wasteful number, since it uses less digits than its factorization.

13806656852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30545818 (or 30545816 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 13806656852 in words is "thirteen billion, eight hundred six million, six hundred fifty-six thousand, eight hundred fifty-two".