13316591 has 2 divisors, whose sum is σ = 13316592. Its totient is φ = 13316590.

The previous prime is 13316573. The next prime is 13316623. The reversal of 13316591 is 19561331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13316591 - 2¹⁰ = 13315567 is a prime.

It is a super-2 number, since 2×13316591² = 354663191722562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13316521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6658295 + 6658296.

It is an arithmetic number, because the mean of its divisors is an integer number (6658296).

Almost surely, 2^13316591 is an apocalyptic number.

13316591 is a deficient number, since it is larger than the sum of its proper divisors (1).

13316591 is an equidigital number, since it uses as much as digits as its factorization.

13316591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 29.

The square root of 13316591 is about 3649.1904581701. The cubic root of 13316591 is about 237.0269275724.

The spelling of 13316591 in words is "thirteen million, three hundred sixteen thousand, five hundred ninety-one".