13932797 has 2 divisors, whose sum is σ = 13932798. Its totient is φ = 13932796.

The previous prime is 13932781. The next prime is 13932811. The reversal of 13932797 is 79723931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12630916 + 1301881 = 3554^2 + 1141^2 .

It is a cyclic number.

It is not a de Polignac number, because 13932797 - 2⁴ = 13932781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13932697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966398 + 6966399.

It is an arithmetic number, because the mean of its divisors is an integer number (6966399).

Almost surely, 2^13932797 is an apocalyptic number.

It is an amenable number.

13932797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13932797 is an equidigital number, since it uses as much as digits as its factorization.

13932797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 41.

The square root of 13932797 is about 3732.6662052747. Note that the first 3 decimals coincide. The cubic root of 13932797 is about 240.6279677376.

The spelling of 13932797 in words is "thirteen million, nine hundred thirty-two thousand, seven hundred ninety-seven".