12805841 has 2 divisors, whose sum is σ = 12805842. Its totient is φ = 12805840.

The previous prime is 12805831. The next prime is 12805847. The reversal of 12805841 is 14850821.

12805841 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., 10857025 + 1948816 = 3295^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 12805841 - 2¹⁰ = 12804817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12805847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6402920 + 6402921.

It is an arithmetic number, because the mean of its divisors is an integer number (6402921).

Almost surely, 2^12805841 is an apocalyptic number.

It is an amenable number.

12805841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12805841 is an equidigital number, since it uses as much as digits as its factorization.

12805841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 12805841 is about 3578.5249754613. The cubic root of 12805841 is about 233.9569952870.

The spelling of 12805841 in words is "twelve million, eight hundred five thousand, eight hundred forty-one".