13271970528 has 60 divisors (see below), whose sum is σ = 39032504280. Its totient is φ = 4423989312.

The previous prime is 13271970457. The next prime is 13271970539. The reversal of 13271970528 is 82507917231.

13271970528 is a `hidden beast` number, since 1 + 32 + 7 + 1 + 97 + 0 + 528 = 666.

It is a super-2 number, since 2×13271970528² (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 9 ways as a sum of consecutive naturals, for example, 2557588 + ... + 2562771.

It is an arithmetic number, because the mean of its divisors is an integer number (650541738).

Almost surely, 2^13271970528 is an apocalyptic number.

13271970528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13271970528 is an abundant number, since it is smaller than the sum of its proper divisors (25760533752).

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

13271970528 is an equidigital number, since it uses as much as digits as its factorization.

13271970528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120381 (or 5120364 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 13271970528 in words is "thirteen billion, two hundred seventy-one million, nine hundred seventy thousand, five hundred twenty-eight".