12868879 has 2 divisors, whose sum is σ = 12868880. Its totient is φ = 12868878.

The previous prime is 12868861. The next prime is 12868883. The reversal of 12868879 is 97886821.

12868879 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (97886821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12868879 - 2¹¹ = 12866831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12868829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434439 + 6434440.

It is an arithmetic number, because the mean of its divisors is an integer number (6434440).

Almost surely, 2^12868879 is an apocalyptic number.

12868879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868879 is an equidigital number, since it uses as much as digits as its factorization.

12868879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 49.

The square root of 12868879 is about 3587.3219816459. The cubic root of 12868879 is about 234.3402591233.

The spelling of 12868879 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred seventy-nine".