13106491 has 2 divisors, whose sum is σ = 13106492. Its totient is φ = 13106490.

The previous prime is 13106479. The next prime is 13106497. The reversal of 13106491 is 19460131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13106491 - 2⁹ = 13105979 is a prime.

It is not a weakly prime, because it can be changed into another prime (13106497) 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, 6553245 + 6553246.

It is an arithmetic number, because the mean of its divisors is an integer number (6553246).

Almost surely, 2^13106491 is an apocalyptic number.

13106491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13106491 is an equidigital number, since it uses as much as digits as its factorization.

13106491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 13106491 is about 3620.2888006346. The cubic root of 13106491 is about 235.7737645695.

The spelling of 13106491 in words is "thirteen million, one hundred six thousand, four hundred ninety-one".