13112621368 has 128 divisors (see below), whose sum is σ = 31750963200. Its totient is φ = 4928918400.

The previous prime is 13112621363. The next prime is 13112621377. The reversal of 13112621368 is 86312621131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112621363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2052403 + ... + 2058781.

It is an arithmetic number, because the mean of its divisors is an integer number (248054400).

Almost surely, 2^13112621368 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 13112621368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15875481600).

13112621368 is an abundant number, since it is smaller than the sum of its proper divisors (18638341832).

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

13112621368 is a wasteful number, since it uses less digits than its factorization.

13112621368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521 (or 6517 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The spelling of 13112621368 in words is "thirteen billion, one hundred twelve million, six hundred twenty-one thousand, three hundred sixty-eight".