13489974 has 12 divisors (see below), whose sum is σ = 29228316. Its totient is φ = 4496652.

The previous prime is 13489963. The next prime is 13490023. The reversal of 13489974 is 47998431.

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, 374704 + ... + 374739.

It is an arithmetic number, because the mean of its divisors is an integer number (2435693).

Almost surely, 2^13489974 is an apocalyptic number.

13489974 is an abundant number, since it is smaller than the sum of its proper divisors (15738342).

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

13489974 is a wasteful number, since it uses less digits than its factorization.

13489974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749451 (or 749448 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13489974 is about 3672.8699949767. The cubic root of 13489974 is about 238.0511977045.

The spelling of 13489974 in words is "thirteen million, four hundred eighty-nine thousand, nine hundred seventy-four".