12395857 has 2 divisors, whose sum is σ = 12395858. Its totient is φ = 12395856.

The previous prime is 12395837. The next prime is 12395861. The reversal of 12395857 is 75859321.

12395857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 863041 = 3396^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12395857 - 2⁷ = 12395729 is a prime.

It is not a weakly prime, because it can be changed into another prime (12395837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197928 + 6197929.

It is an arithmetic number, because the mean of its divisors is an integer number (6197929).

Almost surely, 2^12395857 is an apocalyptic number.

It is an amenable number.

12395857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12395857 is an equidigital number, since it uses as much as digits as its factorization.

12395857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 12395857 is about 3520.7750567169. The cubic root of 12395857 is about 231.4331247789.

The spelling of 12395857 in words is "twelve million, three hundred ninety-five thousand, eight hundred fifty-seven".