13112232 has 32 divisors (see below), whose sum is σ = 37464000. Its totient is φ = 3746304.

The previous prime is 13112221. The next prime is 13112233. The reversal of 13112232 is 23221131.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13112233) 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, 38857 + ... + 39192.

It is an arithmetic number, because the mean of its divisors is an integer number (1170750).

Almost surely, 2^13112232 is an apocalyptic number.

13112232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112232 is an abundant number, since it is smaller than the sum of its proper divisors (24351768).

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

13112232 is a wasteful number, since it uses less digits than its factorization.

13112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78065 (or 78061 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 13112232 is about 3621.0816063712. The cubic root of 13112232 is about 235.8081846543.

Adding to 13112232 its reverse (23221131), we get a palindrome (36333363).

The spelling of 13112232 in words is "thirteen million, one hundred twelve thousand, two hundred thirty-two".