13241857 has 2 divisors, whose sum is σ = 13241858. Its totient is φ = 13241856.

The previous prime is 13241849. The next prime is 13241863. The reversal of 13241857 is 75814231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 5424241 = 2796^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241857 - 2³ = 13241849 is a prime.

It is not a weakly prime, because it can be changed into another prime (13241057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620928 + 6620929.

It is an arithmetic number, because the mean of its divisors is an integer number (6620929).

Almost surely, 2^13241857 is an apocalyptic number.

It is an amenable number.

13241857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13241857 is an equidigital number, since it uses as much as digits as its factorization.

13241857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 13241857 is about 3638.9362456630. The cubic root of 13241857 is about 236.5826894633.

The spelling of 13241857 in words is "thirteen million, two hundred forty-one thousand, eight hundred fifty-seven".