12265157 has 2 divisors, whose sum is σ = 12265158. Its totient is φ = 12265156.

The previous prime is 12265153. The next prime is 12265163. The reversal of 12265157 is 75156221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 57121 = 3494^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 12265157 - 2² = 12265153 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12265151) 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, 6132578 + 6132579.

It is an arithmetic number, because the mean of its divisors is an integer number (6132579).

Almost surely, 2^12265157 is an apocalyptic number.

It is an amenable number.

12265157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12265157 is an equidigital number, since it uses as much as digits as its factorization.

12265157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 12265157 is about 3502.1646163480. The cubic root of 12265157 is about 230.6168507683.

The spelling of 12265157 in words is "twelve million, two hundred sixty-five thousand, one hundred fifty-seven".