13247856188 has 18 divisors (see below), whose sum is σ = 26968850496. Its totient is φ = 5677652568.

The previous prime is 13247856157. The next prime is 13247856233. The reversal of 13247856188 is 88165874231.

13247856188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33795356 + ... + 33795747.

It is an arithmetic number, because the mean of its divisors is an integer number (1498269472).

Almost surely, 2^13247856188 is an apocalyptic number.

It is an amenable number.

13247856188 is an abundant number, since it is smaller than the sum of its proper divisors (13720994308).

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

13247856188 is a wasteful number, since it uses less digits than its factorization.

13247856188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67591121 (or 67591112 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The spelling of 13247856188 in words is "thirteen billion, two hundred forty-seven million, eight hundred fifty-six thousand, one hundred eighty-eight".