13932293 has 2 divisors, whose sum is σ = 13932294. Its totient is φ = 13932292.

The previous prime is 13932287. The next prime is 13932307. The reversal of 13932293 is 39223931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 145924 = 3713^2 + 382^2 .

It is an emirp because it is prime and its reverse (39223931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13932293 - 2⁶ = 13932229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13932223) 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 as a sum of consecutive naturals, namely, 6966146 + 6966147.

It is an arithmetic number, because the mean of its divisors is an integer number (6966147).

Almost surely, 2^13932293 is an apocalyptic number.

It is an amenable number.

13932293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13932293 is an equidigital number, since it uses as much as digits as its factorization.

13932293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 32.

The square root of 13932293 is about 3732.5986926001. The cubic root of 13932293 is about 240.6250662394.

The spelling of 13932293 in words is "thirteen million, nine hundred thirty-two thousand, two hundred ninety-three".