13133772 has 24 divisors (see below), whose sum is σ = 34050800. Its totient is φ = 4377888.

The previous prime is 13133719. The next prime is 13133773. The reversal of 13133772 is 27733131.

13133772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13133773) 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, 60697 + ... + 60912.

Almost surely, 2^13133772 is an apocalyptic number.

13133772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13133772 is an abundant number, since it is smaller than the sum of its proper divisors (20917028).

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

13133772 is a wasteful number, since it uses less digits than its factorization.

13133772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121622 (or 121614 counting only the distinct ones).

The product of its digits is 2646, while the sum is 27.

The square root of 13133772 is about 3624.0546353497. The cubic root of 13133772 is about 235.9372379308.

The spelling of 13133772 in words is "thirteen million, one hundred thirty-three thousand, seven hundred seventy-two".