13239552 has 36 divisors (see below), whose sum is σ = 35238560. Its totient is φ = 4412928.

The previous prime is 13239539. The next prime is 13239613. The reversal of 13239552 is 25593231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7852 + ... + 9387.

Almost surely, 2^13239552 is an apocalyptic number.

13239552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13239552 is an abundant number, since it is smaller than the sum of its proper divisors (21999008).

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

13239552 is an equidigital number, since it uses as much as digits as its factorization.

13239552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17258 (or 17244 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 13239552 is about 3638.6195184438. The cubic root of 13239552 is about 236.5689614103.

The spelling of 13239552 in words is "thirteen million, two hundred thirty-nine thousand, five hundred fifty-two".