13997692 has 24 divisors (see below), whose sum is σ = 25323200. Its totient is φ = 6765120.

The previous prime is 13997689. The next prime is 13997693. The reversal of 13997692 is 29679931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13997693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39934 + ... + 40282.

Almost surely, 2^13997692 is an apocalyptic number.

It is an amenable number.

13997692 is a deficient number, since it is larger than the sum of its proper divisors (11325508).

13997692 is a wasteful number, since it uses less digits than its factorization.

13997692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 13997692 is about 3741.3489545884. The cubic root of 13997692 is about 241.0009813841. Note that the first 3 decimals are identical.

The spelling of 13997692 in words is "thirteen million, nine hundred ninety-seven thousand, six hundred ninety-two".