13001232 has 20 divisors (see below), whose sum is σ = 33586640. Its totient is φ = 4333728.

The previous prime is 13001213. The next prime is 13001237. The reversal of 13001232 is 23210031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13001237) 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, 135382 + ... + 135477.

It is an arithmetic number, because the mean of its divisors is an integer number (1679332).

Almost surely, 2^13001232 is an apocalyptic number.

13001232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13001232 is an abundant number, since it is smaller than the sum of its proper divisors (20585408).

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

13001232 is a wasteful number, since it uses less digits than its factorization.

13001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270870 (or 270864 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13001232 is about 3605.7221190768. The cubic root of 13001232 is about 235.1408963434.

Adding to 13001232 its reverse (23210031), we get a palindrome (36211263).

The spelling of 13001232 in words is "thirteen million, one thousand, two hundred thirty-two".