12868841 has 2 divisors, whose sum is σ = 12868842. Its totient is φ = 12868840.

The previous prime is 12868829. The next prime is 12868861. The reversal of 12868841 is 14886821.

12868841 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., 12816400 + 52441 = 3580^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 12868841 - 2²² = 8674537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12868795 and 12868804.

It is not a weakly prime, because it can be changed into another prime (12868811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434420 + 6434421.

It is an arithmetic number, because the mean of its divisors is an integer number (6434421).

Almost surely, 2^12868841 is an apocalyptic number.

It is an amenable number.

12868841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868841 is an equidigital number, since it uses as much as digits as its factorization.

12868841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 38.

The square root of 12868841 is about 3587.3166852119. The cubic root of 12868841 is about 234.3400284651.

The spelling of 12868841 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred forty-one".