13068857 has 2 divisors, whose sum is σ = 13068858. Its totient is φ = 13068856.

The previous prime is 13068833. The next prime is 13068859. The reversal of 13068857 is 75886031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 137641 = 3596^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 13068857 - 2¹⁸ = 12806713 is a prime.

Together with 13068859, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13068857.

It is not a weakly prime, because it can be changed into another prime (13068859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6534428 + 6534429.

It is an arithmetic number, because the mean of its divisors is an integer number (6534429).

Almost surely, 2^13068857 is an apocalyptic number.

It is an amenable number.

13068857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13068857 is an equidigital number, since it uses as much as digits as its factorization.

13068857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13068857 is about 3615.0874124978. The cubic root of 13068857 is about 235.5478811711.

The spelling of 13068857 in words is "thirteen million, sixty-eight thousand, eight hundred fifty-seven".