12868697 has 2 divisors, whose sum is σ = 12868698. Its totient is φ = 12868696.

The previous prime is 12868657. The next prime is 12868727. The reversal of 12868697 is 79686821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7958041 + 4910656 = 2821^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 12868697 - 2²⁰ = 11820121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12868607) 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, 6434348 + 6434349.

It is an arithmetic number, because the mean of its divisors is an integer number (6434349).

Almost surely, 2^12868697 is an apocalyptic number.

It is an amenable number.

12868697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868697 is an equidigital number, since it uses as much as digits as its factorization.

12868697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 12868697 is about 3587.2966144438. The cubic root of 12868697 is about 234.3391543876.

The spelling of 12868697 in words is "twelve million, eight hundred sixty-eight thousand, six hundred ninety-seven".