12568249 has 2 divisors, whose sum is σ = 12568250. Its totient is φ = 12568248.

The previous prime is 12568247. The next prime is 12568289. The reversal of 12568249 is 94286521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 4700224 = 2805^2 + 2168^2 .

It is a cyclic number.

It is not a de Polignac number, because 12568249 - 2¹ = 12568247 is a prime.

Together with 12568247, 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 (12568247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6284124 + 6284125.

It is an arithmetic number, because the mean of its divisors is an integer number (6284125).

Almost surely, 2^12568249 is an apocalyptic number.

It is an amenable number.

12568249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12568249 is an equidigital number, since it uses as much as digits as its factorization.

12568249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 12568249 is about 3545.1726333142. The cubic root of 12568249 is about 232.5010536816.

The spelling of 12568249 in words is "twelve million, five hundred sixty-eight thousand, two hundred forty-nine".