12868897 has 2 divisors, whose sum is σ = 12868898. Its totient is φ = 12868896.

The previous prime is 12868883. The next prime is 12868913. The reversal of 12868897 is 79886821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9541921 + 3326976 = 3089^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 12868897 - 2¹⁹ = 12344609 is a prime.

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 12868897.

It is not a weakly prime, because it can be changed into another prime (12868697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434448 + 6434449.

It is an arithmetic number, because the mean of its divisors is an integer number (6434449).

Almost surely, 2^12868897 is an apocalyptic number.

It is an amenable number.

12868897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868897 is an equidigital number, since it uses as much as digits as its factorization.

12868897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 49.

The square root of 12868897 is about 3587.3244904803. The cubic root of 12868897 is about 234.3403683823.

The spelling of 12868897 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred ninety-seven".