13318374912 has 160 divisors (see below), whose sum is σ = 36279999360. Its totient is φ = 4340367360.

The previous prime is 13318374877. The next prime is 13318374941. The reversal of 13318374912 is 21947381331.

It is a super-2 number, since 2×13318374912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25465083 + ... + 25465605.

It is an arithmetic number, because the mean of its divisors is an integer number (226749996).

Almost surely, 2^13318374912 is an apocalyptic number.

13318374912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13318374912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18139999680).

13318374912 is an abundant number, since it is smaller than the sum of its proper divisors (22961624448).

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

13318374912 is an equidigital number, since it uses as much as digits as its factorization.

13318374912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 868 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The spelling of 13318374912 in words is "thirteen billion, three hundred eighteen million, three hundred seventy-four thousand, nine hundred twelve".