13387390576 has 80 divisors (see below), whose sum is σ = 31631507200. Its totient is φ = 5360961024.

The previous prime is 13387390567. The next prime is 13387390651. The reversal of 13387390576 is 67509378331.

It is a super-2 number, since 2×13387390576² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112255 + ... + 198433.

It is an arithmetic number, because the mean of its divisors is an integer number (395393840).

Almost surely, 2^13387390576 is an apocalyptic number.

13387390576 is a gapful number since it is divisible by the number (16) 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 13387390576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15815753600).

13387390576 is an abundant number, since it is smaller than the sum of its proper divisors (18244116624).

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

13387390576 is a wasteful number, since it uses less digits than its factorization.

13387390576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86286 (or 86280 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 13387390576 in words is "thirteen billion, three hundred eighty-seven million, three hundred ninety thousand, five hundred seventy-six".