13081297 has 2 divisors, whose sum is σ = 13081298. Its totient is φ = 13081296.

The previous prime is 13081283. The next prime is 13081333. The reversal of 13081297 is 79218031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8346321 + 4734976 = 2889^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 13081297 - 2²³ = 4692689 is a prime.

It is a super-2 number, since 2×13081297² = 342240662404418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13081207) 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, 6540648 + 6540649.

It is an arithmetic number, because the mean of its divisors is an integer number (6540649).

Almost surely, 2^13081297 is an apocalyptic number.

It is an amenable number.

13081297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13081297 is an equidigital number, since it uses as much as digits as its factorization.

13081297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 13081297 is about 3616.8075702199. The cubic root of 13081297 is about 235.6225953407.

The spelling of 13081297 in words is "thirteen million, eighty-one thousand, two hundred ninety-seven".