12392851 has 2 divisors, whose sum is σ = 12392852. Its totient is φ = 12392850.

The previous prime is 12392843. The next prime is 12392879. The reversal of 12392851 is 15829321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12392851 - 2³ = 12392843 is a prime.

It is not a weakly prime, because it can be changed into another prime (12392551) 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, 6196425 + 6196426.

It is an arithmetic number, because the mean of its divisors is an integer number (6196426).

Almost surely, 2^12392851 is an apocalyptic number.

12392851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392851 is an equidigital number, since it uses as much as digits as its factorization.

12392851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 12392851 is about 3520.3481361934. The cubic root of 12392851 is about 231.4144157264.

The spelling of 12392851 in words is "twelve million, three hundred ninety-two thousand, eight hundred fifty-one".