13157328 has 40 divisors (see below), whose sum is σ = 34149600. Its totient is φ = 4365184.

The previous prime is 13157293. The next prime is 13157341. The reversal of 13157328 is 82375131.

It is a junction number, because it is equal to n+sod(n) for n = 13157295 and 13157304.

It is a congruent number.

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, 12403 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (853740).

Almost surely, 2^13157328 is an apocalyptic number.

It is an amenable number.

13157328 is an abundant number, since it is smaller than the sum of its proper divisors (20992272).

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

13157328 is a wasteful number, since it uses less digits than its factorization.

13157328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1293 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 13157328 is about 3627.3031304262. The cubic root of 13157328 is about 236.0782083035.

The spelling of 13157328 in words is "thirteen million, one hundred fifty-seven thousand, three hundred twenty-eight".