13491944 has 16 divisors (see below), whose sum is σ = 26113920. Its totient is φ = 6528240.

The previous prime is 13491937. The next prime is 13491953. The reversal of 13491944 is 44919431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26954 + ... + 27449.

It is an arithmetic number, because the mean of its divisors is an integer number (1632120).

Almost surely, 2^13491944 is an apocalyptic number.

It is an amenable number.

13491944 is a deficient number, since it is larger than the sum of its proper divisors (12621976).

13491944 is a wasteful number, since it uses less digits than its factorization.

13491944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54440 (or 54436 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 13491944 is about 3673.1381678341. The cubic root of 13491944 is about 238.0627850269.

The spelling of 13491944 in words is "thirteen million, four hundred ninety-one thousand, nine hundred forty-four".