13932973 has 2 divisors, whose sum is σ = 13932974. Its totient is φ = 13932972.

The previous prime is 13932967. The next prime is 13932991. The reversal of 13932973 is 37923931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13410244 + 522729 = 3662^2 + 723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13932973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13932953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966486 + 6966487.

It is an arithmetic number, because the mean of its divisors is an integer number (6966487).

Almost surely, 2^13932973 is an apocalyptic number.

It is an amenable number.

13932973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13932973 is an equidigital number, since it uses as much as digits as its factorization.

13932973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 37.

The square root of 13932973 is about 3732.6897808417. The cubic root of 13932973 is about 240.6289809427.

The spelling of 13932973 in words is "thirteen million, nine hundred thirty-two thousand, nine hundred seventy-three".