12595949 has 2 divisors, whose sum is σ = 12595950. Its totient is φ = 12595948.

The previous prime is 12595937. The next prime is 12595991. The reversal of 12595949 is 94959521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6666724 + 5929225 = 2582^2 + 2435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12595949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12595909) 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, 6297974 + 6297975.

It is an arithmetic number, because the mean of its divisors is an integer number (6297975).

Almost surely, 2^12595949 is an apocalyptic number.

It is an amenable number.

12595949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12595949 is an equidigital number, since it uses as much as digits as its factorization.

12595949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 44.

The square root of 12595949 is about 3549.0772040067. The cubic root of 12595949 is about 232.6717365292.

The spelling of 12595949 in words is "twelve million, five hundred ninety-five thousand, nine hundred forty-nine".