13239832 has 8 divisors (see below), whose sum is σ = 24824700. Its totient is φ = 6619912.

The previous prime is 13239823. The next prime is 13239833. The reversal of 13239832 is 23893231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13239794 and 13239803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13239833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827482 + ... + 827497.

Almost surely, 2^13239832 is an apocalyptic number.

It is an amenable number.

13239832 is a deficient number, since it is larger than the sum of its proper divisors (11584868).

13239832 is a wasteful number, since it uses less digits than its factorization.

13239832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654985 (or 1654981 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 13239832 is about 3638.6579943710. The cubic root of 13239832 is about 236.5706291113.

The spelling of 13239832 in words is "thirteen million, two hundred thirty-nine thousand, eight hundred thirty-two".