13251328 has 36 divisors (see below), whose sum is σ = 27185200. Its totient is φ = 6441984.

The previous prime is 13251319. The next prime is 13251349. The reversal of 13251328 is 82315231.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8773 + ... + 10171.

Almost surely, 2^13251328 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 13251328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13592600).

13251328 is an abundant number, since it is smaller than the sum of its proper divisors (13933872).

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

13251328 is an equidigital number, since it uses as much as digits as its factorization.

13251328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 1438 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 13251328 is about 3640.2373548987. The cubic root of 13251328 is about 236.6390798588.

Adding to 13251328 its reverse (82315231), we get a palindrome (95566559).

The spelling of 13251328 in words is "thirteen million, two hundred fifty-one thousand, three hundred twenty-eight".