13925728 has 12 divisors (see below), whose sum is σ = 27416340. Its totient is φ = 6962848.

The previous prime is 13925701. The next prime is 13925753. The reversal of 13925728 is 82752931.

13925728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217558 + ... + 217621.

It is an arithmetic number, because the mean of its divisors is an integer number (2284695).

Almost surely, 2^13925728 is an apocalyptic number.

It is an amenable number.

13925728 is a deficient number, since it is larger than the sum of its proper divisors (13490612).

13925728 is an equidigital number, since it uses as much as digits as its factorization.

13925728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435189 (or 435181 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 13925728 is about 3731.7191748576. The cubic root of 13925728 is about 240.5872655283.

The spelling of 13925728 in words is "thirteen million, nine hundred twenty-five thousand, seven hundred twenty-eight".