13197012736 has 36 divisors (see below), whose sum is σ = 26389062000. Its totient is φ = 6586836992.

The previous prime is 13197012733. The next prime is 13197012767. The reversal of 13197012736 is 63721079131.

It is a super-2 number, since 2×13197012736² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197012733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100365 + ... + 190963.

It is an arithmetic number, because the mean of its divisors is an integer number (733029500).

Almost surely, 2^13197012736 is an apocalyptic number.

13197012736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13197012736 is a deficient number, since it is larger than the sum of its proper divisors (13192049264).

13197012736 is an frugal number, since it uses more digits than its factorization.

13197012736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91184 (or 91170 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 13197012736 in words is "thirteen billion, one hundred ninety-seven million, twelve thousand, seven hundred thirty-six".