13274491 has 2 divisors, whose sum is σ = 13274492. Its totient is φ = 13274490.

The previous prime is 13274477. The next prime is 13274497. The reversal of 13274491 is 19447231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13274491 - 2⁹ = 13273979 is a prime.

It is a super-2 number, since 2×13274491² = 352424222618162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13274497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637245 + 6637246.

It is an arithmetic number, because the mean of its divisors is an integer number (6637246).

Almost surely, 2^13274491 is an apocalyptic number.

13274491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13274491 is an equidigital number, since it uses as much as digits as its factorization.

13274491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 13274491 is about 3643.4174891165. The cubic root of 13274491 is about 236.7768793910.

The spelling of 13274491 in words is "thirteen million, two hundred seventy-four thousand, four hundred ninety-one".