13291472 has 20 divisors (see below), whose sum is σ = 26352480. Its totient is φ = 6490848.

The previous prime is 13291471. The next prime is 13291477. The reversal of 13291472 is 27419231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8972 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (1317624).

Almost surely, 2^13291472 is an apocalyptic number.

It is an amenable number.

13291472 is a deficient number, since it is larger than the sum of its proper divisors (13061008).

13291472 is a wasteful number, since it uses less digits than its factorization.

13291472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370 (or 19364 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 13291472 is about 3645.7471113614. The cubic root of 13291472 is about 236.8777996434.

The spelling of 13291472 in words is "thirteen million, two hundred ninety-one thousand, four hundred seventy-two".