13293971 has 2 divisors, whose sum is σ = 13293972. Its totient is φ = 13293970.

The previous prime is 13293893. The next prime is 13293991. The reversal of 13293971 is 17939231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13293971 - 2¹⁰ = 13292947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13293991) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6646985 + 6646986.

It is an arithmetic number, because the mean of its divisors is an integer number (6646986).

Almost surely, 2^13293971 is an apocalyptic number.

13293971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13293971 is an equidigital number, since it uses as much as digits as its factorization.

13293971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 13293971 is about 3646.0898233587. The cubic root of 13293971 is about 236.8926442627.

The spelling of 13293971 in words is "thirteen million, two hundred ninety-three thousand, nine hundred seventy-one".