13224372 has 24 divisors (see below), whose sum is σ = 35265216. Its totient is φ = 3778368.

The previous prime is 13224347. The next prime is 13224391. The reversal of 13224372 is 27342231.

13224372 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78633 + ... + 78800.

It is an arithmetic number, because the mean of its divisors is an integer number (1469384).

Almost surely, 2^13224372 is an apocalyptic number.

13224372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13224372 is an abundant number, since it is smaller than the sum of its proper divisors (22040844).

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

13224372 is a wasteful number, since it uses less digits than its factorization.

13224372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157447 (or 157445 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 13224372 is about 3636.5329642394. The cubic root of 13224372 is about 236.4785129774.

The spelling of 13224372 in words is "thirteen million, two hundred twenty-four thousand, three hundred seventy-two".