12885841 has 2 divisors, whose sum is σ = 12885842. Its totient is φ = 12885840.

The previous prime is 12885827. The next prime is 12885877. The reversal of 12885841 is 14858821.

It is a happy number.

12885841 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., 7728400 + 5157441 = 2780^2 + 2271^2 .

It is a cyclic number.

It is not a de Polignac number, because 12885841 - 2²¹ = 10788689 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12885841.

It is not a weakly prime, because it can be changed into another prime (12885811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442920 + 6442921.

It is an arithmetic number, because the mean of its divisors is an integer number (6442921).

Almost surely, 2^12885841 is an apocalyptic number.

It is an amenable number.

12885841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12885841 is an equidigital number, since it uses as much as digits as its factorization.

12885841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480, while the sum is 37.

The square root of 12885841 is about 3589.6853622567. The cubic root of 12885841 is about 234.4431723703.

The spelling of 12885841 in words is "twelve million, eight hundred eighty-five thousand, eight hundred forty-one".