13897492 has 12 divisors (see below), whose sum is σ = 27795040. Its totient is φ = 5956056.

The previous prime is 13897489. The next prime is 13897511. The reversal of 13897492 is 29479831.

13897492 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 248142 + ... + 248197.

Almost surely, 2^13897492 is an apocalyptic number.

It is an amenable number.

13897492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13897492 is a wasteful number, since it uses less digits than its factorization.

13897492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496350 (or 496348 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 13897492 is about 3727.9340122915. The cubic root of 13897492 is about 240.4245494737.

The spelling of 13897492 in words is "thirteen million, eight hundred ninety-seven thousand, four hundred ninety-two".