13026491 has 2 divisors, whose sum is σ = 13026492. Its totient is φ = 13026490.

The previous prime is 13026469. The next prime is 13026493. The reversal of 13026491 is 19462031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13026491 - 2⁶ = 13026427 is a prime.

Together with 13026493, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13026491.

It is not a weakly prime, because it can be changed into another prime (13026493) 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, 6513245 + 6513246.

It is an arithmetic number, because the mean of its divisors is an integer number (6513246).

Almost surely, 2^13026491 is an apocalyptic number.

13026491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13026491 is an equidigital number, since it uses as much as digits as its factorization.

13026491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13026491 is about 3609.2230465850. The cubic root of 13026491 is about 235.2930763226.

The spelling of 13026491 in words is "thirteen million, twenty-six thousand, four hundred ninety-one".