13932297 has 16 divisors (see below), whose sum is σ = 20892480. Its totient is φ = 9174816.

The previous prime is 13932293. The next prime is 13932307. The reversal of 13932297 is 79223931.

It is not a de Polignac number, because 13932297 - 2² = 13932293 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13932293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (1305780).

Almost surely, 2^13932297 is an apocalyptic number.

It is an amenable number.

13932297 is a deficient number, since it is larger than the sum of its proper divisors (6960183).

13932297 is an equidigital number, since it uses as much as digits as its factorization.

13932297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6303 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 13932297 is about 3732.5992284198. The cubic root of 13932297 is about 240.6250892674.

The spelling of 13932297 in words is "thirteen million, nine hundred thirty-two thousand, two hundred ninety-seven".