12608249 has 2 divisors, whose sum is σ = 12608250. Its totient is φ = 12608248.

The previous prime is 12608177. The next prime is 12608257. The reversal of 12608249 is 94280621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 133225 = 3532^2 + 365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12608249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12608269) 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, 6304124 + 6304125.

It is an arithmetic number, because the mean of its divisors is an integer number (6304125).

Almost surely, 2^12608249 is an apocalyptic number.

It is an amenable number.

12608249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12608249 is an equidigital number, since it uses as much as digits as its factorization.

12608249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 12608249 is about 3550.8096259867. The cubic root of 12608249 is about 232.7474468845.

The spelling of 12608249 in words is "twelve million, six hundred eight thousand, two hundred forty-nine".