13144732 has 18 divisors (see below), whose sum is σ = 24280368. Its totient is φ = 6225768.

The previous prime is 13144721. The next prime is 13144741. The reversal of 13144732 is 23744131.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13144697 and 13144706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3108 + ... + 5995.

Almost surely, 2^13144732 is an apocalyptic number.

It is an amenable number.

13144732 is a deficient number, since it is larger than the sum of its proper divisors (11135636).

13144732 is a wasteful number, since it uses less digits than its factorization.

13144732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145 (or 9124 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 13144732 is about 3625.5664385031. The cubic root of 13144732 is about 236.0028487639.

Adding to 13144732 its reverse (23744131), we get a palindrome (36888863).

The spelling of 13144732 in words is "thirteen million, one hundred forty-four thousand, seven hundred thirty-two".