13971074560 has 40 divisors (see below), whose sum is σ = 33497840376. Its totient is φ = 5588428800.

The previous prime is 13971074531. The next prime is 13971074561. The reversal of 13971074560 is 6547017931.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×13971074560² (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 (13971074561) 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, 2726166 + ... + 2731285.

Almost surely, 2^13971074560 is an apocalyptic number.

13971074560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13971074560 is an abundant number, since it is smaller than the sum of its proper divisors (19526765816).

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

13971074560 is an frugal number, since it uses more digits than its factorization.

13971074560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457474 (or 5457458 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 13971074560 in words is "thirteen billion, nine hundred seventy-one million, seventy-four thousand, five hundred sixty".