13491924 has 48 divisors (see below), whose sum is σ = 32467008. Its totient is φ = 4359168.

The previous prime is 13491893. The next prime is 13491937. The reversal of 13491924 is 42919431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77902 + ... + 78074.

It is an arithmetic number, because the mean of its divisors is an integer number (676396).

Almost surely, 2^13491924 is an apocalyptic number.

It is an amenable number.

13491924 is an abundant number, since it is smaller than the sum of its proper divisors (18975084).

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

13491924 is a wasteful number, since it uses less digits than its factorization.

13491924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 13491924 is about 3673.1354453654. The cubic root of 13491924 is about 238.0626673948.

The spelling of 13491924 in words is "thirteen million, four hundred ninety-one thousand, nine hundred twenty-four".