13271587628 has 24 divisors (see below), whose sum is σ = 26328252720. Its totient is φ = 5802960960.

The previous prime is 13271587577. The next prime is 13271587669. The reversal of 13271587628 is 82678517231.

It is a super-2 number, since 2×13271587628² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6715403 + ... + 6717378.

It is an arithmetic number, because the mean of its divisors is an integer number (1097010530).

Almost surely, 2^13271587628 is an apocalyptic number.

It is an amenable number.

13271587628 is a deficient number, since it is larger than the sum of its proper divisors (13056665092).

13271587628 is a wasteful number, since it uses less digits than its factorization.

13271587628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13432817 (or 13432815 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The spelling of 13271587628 in words is "thirteen billion, two hundred seventy-one million, five hundred eighty-seven thousand, six hundred twenty-eight".