13061291 has 2 divisors, whose sum is σ = 13061292. Its totient is φ = 13061290.

The previous prime is 13061249. The next prime is 13061311. The reversal of 13061291 is 19216031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13061291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13061201) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530645 + 6530646.

It is an arithmetic number, because the mean of its divisors is an integer number (6530646).

Almost surely, 2^13061291 is an apocalyptic number.

13061291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13061291 is an equidigital number, since it uses as much as digits as its factorization.

13061291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 13061291 is about 3614.0408132726. The cubic root of 13061291 is about 235.5024168714.

The spelling of 13061291 in words is "thirteen million, sixty-one thousand, two hundred ninety-one".