12893879 has 2 divisors, whose sum is σ = 12893880. Its totient is φ = 12893878.

The previous prime is 12893873. The next prime is 12893891. The reversal of 12893879 is 97839821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12893879 - 2¹² = 12889783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12893873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6446939 + 6446940.

It is an arithmetic number, because the mean of its divisors is an integer number (6446940).

Almost surely, 2^12893879 is an apocalyptic number.

12893879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12893879 is an equidigital number, since it uses as much as digits as its factorization.

12893879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The square root of 12893879 is about 3590.8047844460. The cubic root of 12893879 is about 234.4919096504.

The spelling of 12893879 in words is "twelve million, eight hundred ninety-three thousand, eight hundred seventy-nine".