13242497 has 2 divisors, whose sum is σ = 13242498. Its totient is φ = 13242496.

The previous prime is 13242443. The next prime is 13242511. The reversal of 13242497 is 79424231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8116801 + 5125696 = 2849^2 + 2264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13242497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13242407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621248 + 6621249.

It is an arithmetic number, because the mean of its divisors is an integer number (6621249).

Almost surely, 2^13242497 is an apocalyptic number.

It is an amenable number.

13242497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242497 is an equidigital number, since it uses as much as digits as its factorization.

13242497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 13242497 is about 3639.0241823874. The cubic root of 13242497 is about 236.5865008744.

The spelling of 13242497 in words is "thirteen million, two hundred forty-two thousand, four hundred ninety-seven".