13001291 has 2 divisors, whose sum is σ = 13001292. Its totient is φ = 13001290.

The previous prime is 13001273. The next prime is 13001321. The reversal of 13001291 is 19210031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13001291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13006291) 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, 6500645 + 6500646.

It is an arithmetic number, because the mean of its divisors is an integer number (6500646).

Almost surely, 2^13001291 is an apocalyptic number.

13001291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13001291 is an equidigital number, since it uses as much as digits as its factorization.

13001291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 13001291 is about 3605.7303005078. The cubic root of 13001291 is about 235.1412520352.

The spelling of 13001291 in words is "thirteen million, one thousand, two hundred ninety-one".