13336772856 has 64 divisors (see below), whose sum is σ = 36733219200. Its totient is φ = 4001424000.

The previous prime is 13336772843. The next prime is 13336772857. The reversal of 13336772856 is 65827763331.

It is a happy number.

13336772856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13336772799 and 13336772808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13336772857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223426 + ... + 276753.

It is an arithmetic number, because the mean of its divisors is an integer number (573956550).

Almost surely, 2^13336772856 is an apocalyptic number.

It is an amenable number.

13336772856 is an abundant number, since it is smaller than the sum of its proper divisors (23396446344).

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

13336772856 is a wasteful number, since it uses less digits than its factorization.

13336772856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500300 (or 500296 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The spelling of 13336772856 in words is "thirteen billion, three hundred thirty-six million, seven hundred seventy-two thousand, eight hundred fifty-six".