13398272 has 36 divisors (see below), whose sum is σ = 26980800. Its totient is φ = 6640128.

The previous prime is 13398271. The next prime is 13398283. The reversal of 13398272 is 27289331.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13398271) 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, 50813 + ... + 51075.

Almost surely, 2^13398272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13398272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13490400).

13398272 is an abundant number, since it is smaller than the sum of its proper divisors (13582528).

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

13398272 is an equidigital number, since it uses as much as digits as its factorization.

13398272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 464 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 13398272 is about 3660.3650091214. The cubic root of 13398272 is about 237.5105635191.

The spelling of 13398272 in words is "thirteen million, three hundred ninety-eight thousand, two hundred seventy-two".