12946867 has 2 divisors, whose sum is σ = 12946868. Its totient is φ = 12946866.

The previous prime is 12946859. The next prime is 12946873. The reversal of 12946867 is 76864921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12946867 - 2³ = 12946859 is a prime.

It is not a weakly prime, because it can be changed into another prime (12946807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473433 + 6473434.

It is an arithmetic number, because the mean of its divisors is an integer number (6473434).

Almost surely, 2^12946867 is an apocalyptic number.

12946867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12946867 is an equidigital number, since it uses as much as digits as its factorization.

12946867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 12946867 is about 3598.1755098939. The cubic root of 12946867 is about 234.8126891287.

The spelling of 12946867 in words is "twelve million, nine hundred forty-six thousand, eight hundred sixty-seven".