13527728 has 20 divisors (see below), whose sum is σ = 26769120. Its totient is φ = 6619584.

The previous prime is 13527721. The next prime is 13527737. The reversal of 13527728 is 82772531.

13527728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13527721) 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, 8243 + ... + 9746.

It is an arithmetic number, because the mean of its divisors is an integer number (1338456).

Almost surely, 2^13527728 is an apocalyptic number.

It is an amenable number.

13527728 is a deficient number, since it is larger than the sum of its proper divisors (13241392).

13527728 is a wasteful number, since it uses less digits than its factorization.

13527728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18044 (or 18038 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 13527728 is about 3678.0059815068. The cubic root of 13527728 is about 238.2730665207.

The spelling of 13527728 in words is "thirteen million, five hundred twenty-seven thousand, seven hundred twenty-eight".