13589928 has 48 divisors (see below), whose sum is σ = 40154400. Its totient is φ = 4117920.

The previous prime is 13589887. The next prime is 13589929. The reversal of 13589928 is 82998531.

It is a happy number.

It is a super-2 number, since 2×13589928² = 369372286090368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13589929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7788 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (836550).

Almost surely, 2^13589928 is an apocalyptic number.

13589928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13589928 is an abundant number, since it is smaller than the sum of its proper divisors (26564472).

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

13589928 is a wasteful number, since it uses less digits than its factorization.

13589928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17182 (or 17175 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 13589928 is about 3686.4519527589. The cubic root of 13589928 is about 238.6376985256.

The spelling of 13589928 in words is "thirteen million, five hundred eighty-nine thousand, nine hundred twenty-eight".