13490879 has 2 divisors, whose sum is σ = 13490880. Its totient is φ = 13490878.

The previous prime is 13490803. The next prime is 13490947. The reversal of 13490879 is 97809431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13490879 - 2⁸ = 13490623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13490179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6745439 + 6745440.

It is an arithmetic number, because the mean of its divisors is an integer number (6745440).

Almost surely, 2^13490879 is an apocalyptic number.

13490879 is a deficient number, since it is larger than the sum of its proper divisors (1).

13490879 is an equidigital number, since it uses as much as digits as its factorization.

13490879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13490879 is about 3672.9931935684. The cubic root of 13490879 is about 238.0565209546.

The spelling of 13490879 in words is "thirteen million, four hundred ninety thousand, eight hundred seventy-nine".