12607009 has 2 divisors, whose sum is σ = 12607010. Its totient is φ = 12607008.

The previous prime is 12606991. The next prime is 12607019. The reversal of 12607009 is 90070621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 944784 = 3415^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 12607009 - 2⁹ = 12606497 is a prime.

It is equal to p₈₂₅₂₄₄ and since 12607009 and 825244 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12607019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303504 + 6303505.

It is an arithmetic number, because the mean of its divisors is an integer number (6303505).

Almost surely, 2^12607009 is an apocalyptic number.

It is an amenable number.

12607009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12607009 is an equidigital number, since it uses as much as digits as its factorization.

12607009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12607009 is about 3550.6350136278. The cubic root of 12607009 is about 232.7398165282.

The spelling of 12607009 in words is "twelve million, six hundred seven thousand, nine".