13072872 has 32 divisors (see below), whose sum is σ = 32947200. Its totient is φ = 4322304.

The previous prime is 13072861. The next prime is 13072889. The reversal of 13072872 is 27827031.

It is a plaindrome in base 15.

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, 904 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (1029600).

Almost surely, 2^13072872 is an apocalyptic number.

13072872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13072872 is an abundant number, since it is smaller than the sum of its proper divisors (19874328).

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

13072872 is a wasteful number, since it uses less digits than its factorization.

13072872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13072872 is about 3615.6426814607. The cubic root of 13072872 is about 235.5720002891.

The spelling of 13072872 in words is "thirteen million, seventy-two thousand, eight hundred seventy-two".