12967879 has 2 divisors, whose sum is σ = 12967880. Its totient is φ = 12967878.

The previous prime is 12967859. The next prime is 12967891. The reversal of 12967879 is 97876921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12967879 - 2⁵ = 12967847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12967819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6483939 + 6483940.

It is an arithmetic number, because the mean of its divisors is an integer number (6483940).

Almost surely, 2^12967879 is an apocalyptic number.

12967879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12967879 is an equidigital number, since it uses as much as digits as its factorization.

12967879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 49.

The square root of 12967879 is about 3601.0941392860. The cubic root of 12967879 is about 234.9396495095.

The spelling of 12967879 in words is "twelve million, nine hundred sixty-seven thousand, eight hundred seventy-nine".