12894841 has 2 divisors, whose sum is σ = 12894842. Its totient is φ = 12894840.

The previous prime is 12894839. The next prime is 12894859. The reversal of 12894841 is 14849821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 4857616 = 2835^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 12894841 - 2¹ = 12894839 is a prime.

Together with 12894839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12894841.

It is not a weakly prime, because it can be changed into another prime (12894341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447420 + 6447421.

It is an arithmetic number, because the mean of its divisors is an integer number (6447421).

Almost surely, 2^12894841 is an apocalyptic number.

It is an amenable number.

12894841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12894841 is an equidigital number, since it uses as much as digits as its factorization.

12894841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 12894841 is about 3590.9387352056. The cubic root of 12894841 is about 234.4977412445.

The spelling of 12894841 in words is "twelve million, eight hundred ninety-four thousand, eight hundred forty-one".