13085791 has 2 divisors, whose sum is σ = 13085792. Its totient is φ = 13085790.

The previous prime is 13085741. The next prime is 13085819. The reversal of 13085791 is 19758031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19758031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13085791 - 2⁷ = 13085663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13085701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6542895 + 6542896.

It is an arithmetic number, because the mean of its divisors is an integer number (6542896).

Almost surely, 2^13085791 is an apocalyptic number.

13085791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13085791 is an equidigital number, since it uses as much as digits as its factorization.

13085791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13085791 is about 3617.4287829894. The cubic root of 13085791 is about 235.6495744878.

The spelling of 13085791 in words is "thirteen million, eighty-five thousand, seven hundred ninety-one".