12397841 has 2 divisors, whose sum is σ = 12397842. Its totient is φ = 12397840.

The previous prime is 12397837. The next prime is 12397859. The reversal of 12397841 is 14879321.

12397841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 400 = 3521^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 12397841 - 2² = 12397837 is a prime.

It is a super-2 number, since 2×12397841² = 307412922922562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12397871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6198920 + 6198921.

It is an arithmetic number, because the mean of its divisors is an integer number (6198921).

Almost surely, 2^12397841 is an apocalyptic number.

It is an amenable number.

12397841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12397841 is an equidigital number, since it uses as much as digits as its factorization.

12397841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 12397841 is about 3521.0568015867. The cubic root of 12397841 is about 231.4454713455.

The spelling of 12397841 in words is "twelve million, three hundred ninety-seven thousand, eight hundred forty-one".