12604997 has 2 divisors, whose sum is σ = 12604998. Its totient is φ = 12604996.

The previous prime is 12604987. The next prime is 12605011. The reversal of 12604997 is 79940621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 1522756 = 3329^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 12604997 - 2⁸ = 12604741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12604997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12604957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302498 + 6302499.

It is an arithmetic number, because the mean of its divisors is an integer number (6302499).

Almost surely, 2^12604997 is an apocalyptic number.

It is an amenable number.

12604997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604997 is an equidigital number, since it uses as much as digits as its factorization.

12604997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 12604997 is about 3550.3516727220. The cubic root of 12604997 is about 232.7274345952.

The spelling of 12604997 in words is "twelve million, six hundred four thousand, nine hundred ninety-seven".