12605137 has 2 divisors, whose sum is σ = 12605138. Its totient is φ = 12605136.

The previous prime is 12605077. The next prime is 12605167. The reversal of 12605137 is 73150621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 3094081 = 3084^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 12605137 - 2¹¹ = 12603089 is a prime.

It is not a weakly prime, because it can be changed into another prime (12605167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302568 + 6302569.

It is an arithmetic number, because the mean of its divisors is an integer number (6302569).

Almost surely, 2^12605137 is an apocalyptic number.

It is an amenable number.

12605137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12605137 is an equidigital number, since it uses as much as digits as its factorization.

12605137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12605137 is about 3550.3713890240. The cubic root of 12605137 is about 232.7282962037.

Adding to 12605137 its reverse (73150621), we get a palindrome (85755758).

The spelling of 12605137 in words is "twelve million, six hundred five thousand, one hundred thirty-seven".