12259957 has 2 divisors, whose sum is σ = 12259958. Its totient is φ = 12259956.

The previous prime is 12259937. The next prime is 12259967. The reversal of 12259957 is 75995221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 2268036 = 3161^2 + 1506^2 .

It is a cyclic number.

It is not a de Polignac number, because 12259957 - 2⁷ = 12259829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12259937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6129978 + 6129979.

It is an arithmetic number, because the mean of its divisors is an integer number (6129979).

Almost surely, 2^12259957 is an apocalyptic number.

It is an amenable number.

12259957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12259957 is an equidigital number, since it uses as much as digits as its factorization.

12259957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 40.

The square root of 12259957 is about 3501.4221396455. The cubic root of 12259957 is about 230.5842549866.

The spelling of 12259957 in words is "twelve million, two hundred fifty-nine thousand, nine hundred fifty-seven".