13081097 has 2 divisors, whose sum is σ = 13081098. Its totient is φ = 13081096.

The previous prime is 13081093. The next prime is 13081099. The reversal of 13081097 is 79018031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 942841 = 3484^2 + 971^2 .

It is an emirp because it is prime and its reverse (79018031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13081097 - 2² = 13081093 is a prime.

It is a super-2 number, since 2×13081097² = 342230197446818, which contains 22 as substring.

Together with 13081099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13081093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6540548 + 6540549.

It is an arithmetic number, because the mean of its divisors is an integer number (6540549).

Almost surely, 2^13081097 is an apocalyptic number.

It is an amenable number.

13081097 is a deficient number, since it is larger than the sum of its proper divisors (1).

13081097 is an equidigital number, since it uses as much as digits as its factorization.

13081097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13081097 is about 3616.7799214218. The cubic root of 13081097 is about 235.6213945230.

The spelling of 13081097 in words is "thirteen million, eighty-one thousand, ninety-seven".