12851929 has 2 divisors, whose sum is σ = 12851930. Its totient is φ = 12851928.

The previous prime is 12851903. The next prime is 12851933. The reversal of 12851929 is 92915821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 235225 = 3552^2 + 485^2 .

It is an emirp because it is prime and its reverse (92915821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12851929 - 2⁵ = 12851897 is a prime.

It is not a weakly prime, because it can be changed into another prime (12851939) 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, 6425964 + 6425965.

It is an arithmetic number, because the mean of its divisors is an integer number (6425965).

Almost surely, 2^12851929 is an apocalyptic number.

It is an amenable number.

12851929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12851929 is an equidigital number, since it uses as much as digits as its factorization.

12851929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 37.

The square root of 12851929 is about 3584.9587166382. The cubic root of 12851929 is about 234.2373283091.

The spelling of 12851929 in words is "twelve million, eight hundred fifty-one thousand, nine hundred twenty-nine".