13047232 has 56 divisors (see below), whose sum is σ = 28968192. Its totient is φ = 5779200.

The previous prime is 13047163. The next prime is 13047239. The reversal of 13047232 is 23274031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30057 + ... + 30487.

Almost surely, 2^13047232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13047232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14484096).

13047232 is an abundant number, since it is smaller than the sum of its proper divisors (15920960).

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

13047232 is a wasteful number, since it uses less digits than its factorization.

13047232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13047232 is about 3612.0952368397. The cubic root of 13047232 is about 235.4178893124.

The spelling of 13047232 in words is "thirteen million, forty-seven thousand, two hundred thirty-two".