12605207 has 2 divisors, whose sum is σ = 12605208. Its totient is φ = 12605206.

The previous prime is 12605191. The next prime is 12605221. The reversal of 12605207 is 70250621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12605207 - 2⁴ = 12605191 is a prime.

It is a Chen prime.

It is equal to p₈₂₅₁₂₅ and since 12605207 and 825125 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12605237) 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, 6302603 + 6302604.

It is an arithmetic number, because the mean of its divisors is an integer number (6302604).

Almost surely, 2^12605207 is an apocalyptic number.

12605207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12605207 is an equidigital number, since it uses as much as digits as its factorization.

12605207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12605207 is about 3550.3812471339. The cubic root of 12605207 is about 232.7287270056.

Adding to 12605207 its reverse (70250621), we get a palindrome (82855828).

The spelling of 12605207 in words is "twelve million, six hundred five thousand, two hundred seven".