13133472 has 48 divisors (see below), whose sum is σ = 37612512. Its totient is φ = 3979520.

The previous prime is 13133467. The next prime is 13133479. The reversal of 13133472 is 27433131.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13133479) 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, 5163 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (783594).

Almost surely, 2^13133472 is an apocalyptic number.

13133472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13133472 is an abundant number, since it is smaller than the sum of its proper divisors (24479040).

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

13133472 is a wasteful number, since it uses less digits than its factorization.

13133472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12461 (or 12453 counting only the distinct ones).

The product of its digits is 1512, while the sum is 24.

The square root of 13133472 is about 3624.0132450089. The cubic root of 13133472 is about 235.9354415007.

The spelling of 13133472 in words is "thirteen million, one hundred thirty-three thousand, four hundred seventy-two".