13475728 has 20 divisors (see below), whose sum is σ = 29839360. Its totient is φ = 5775264.

The previous prime is 13475719. The next prime is 13475753. The reversal of 13475728 is 82757431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60048 + ... + 60271.

It is an arithmetic number, because the mean of its divisors is an integer number (1491968).

Almost surely, 2^13475728 is an apocalyptic number.

It is an amenable number.

13475728 is an abundant number, since it is smaller than the sum of its proper divisors (16363632).

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

13475728 is a wasteful number, since it uses less digits than its factorization.

13475728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120334 (or 120328 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 13475728 is about 3670.9301273655. The cubic root of 13475728 is about 237.9673707122.

The spelling of 13475728 in words is "thirteen million, four hundred seventy-five thousand, seven hundred twenty-eight".