12608489 has 2 divisors, whose sum is σ = 12608490. Its totient is φ = 12608488.

The previous prime is 12608473. The next prime is 12608501. The reversal of 12608489 is 98480621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 218089 = 3520^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 12608489 - 2⁴ = 12608473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12608429) 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, 6304244 + 6304245.

It is an arithmetic number, because the mean of its divisors is an integer number (6304245).

Almost surely, 2^12608489 is an apocalyptic number.

It is an amenable number.

12608489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12608489 is an equidigital number, since it uses as much as digits as its factorization.

12608489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 12608489 is about 3550.8434209354. The cubic root of 12608489 is about 232.7489236699.

The spelling of 12608489 in words is "twelve million, six hundred eight thousand, four hundred eighty-nine".