13331732 has 6 divisors (see below), whose sum is σ = 23330538. Its totient is φ = 6665864.

The previous prime is 13331707. The next prime is 13331737. The reversal of 13331732 is 23713331.

It is a happy number.

13331732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13293316 + 38416 = 3646^2 + 196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13331698 and 13331707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666463 + ... + 1666470.

It is an arithmetic number, because the mean of its divisors is an integer number (3888423).

Almost surely, 2^13331732 is an apocalyptic number.

It is an amenable number.

13331732 is a deficient number, since it is larger than the sum of its proper divisors (9998806).

13331732 is a wasteful number, since it uses less digits than its factorization.

13331732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332937 (or 3332935 counting only the distinct ones).

The product of its digits is 1134, while the sum is 23.

The square root of 13331732 is about 3651.2644385199. The cubic root of 13331732 is about 237.1167269663.

The spelling of 13331732 in words is "thirteen million, three hundred thirty-one thousand, seven hundred thirty-two".