12878851 has 2 divisors, whose sum is σ = 12878852. Its totient is φ = 12878850.

The previous prime is 12878839. The next prime is 12878863. The reversal of 12878851 is 15887821.

12878851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12878839) and next prime (12878863).

It is an emirp because it is prime and its reverse (15887821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12878851 - 2⁹ = 12878339 is a prime.

It is not a weakly prime, because it can be changed into another prime (12878881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439425 + 6439426.

It is an arithmetic number, because the mean of its divisors is an integer number (6439426).

Almost surely, 2^12878851 is an apocalyptic number.

12878851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12878851 is an equidigital number, since it uses as much as digits as its factorization.

12878851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 40.

The square root of 12878851 is about 3588.7116072485. The cubic root of 12878851 is about 234.4007730117.

The spelling of 12878851 in words is "twelve million, eight hundred seventy-eight thousand, eight hundred fifty-one".