12804851 has 2 divisors, whose sum is σ = 12804852. Its totient is φ = 12804850.

The previous prime is 12804817. The next prime is 12804877. The reversal of 12804851 is 15840821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12804851 - 2⁶ = 12804787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12804811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6402425 + 6402426.

It is an arithmetic number, because the mean of its divisors is an integer number (6402426).

Almost surely, 2^12804851 is an apocalyptic number.

12804851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12804851 is an equidigital number, since it uses as much as digits as its factorization.

12804851 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12804851 is about 3578.3866476388. The cubic root of 12804851 is about 233.9509661790.

The spelling of 12804851 in words is "twelve million, eight hundred four thousand, eight hundred fifty-one".