12401867 has 2 divisors, whose sum is σ = 12401868. Its totient is φ = 12401866.

The previous prime is 12401861. The next prime is 12401887. The reversal of 12401867 is 76810421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12401867 - 2¹² = 12397771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12401861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200933 + 6200934.

It is an arithmetic number, because the mean of its divisors is an integer number (6200934).

Almost surely, 2^12401867 is an apocalyptic number.

12401867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401867 is an equidigital number, since it uses as much as digits as its factorization.

12401867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12401867 is about 3521.6284585402. The cubic root of 12401867 is about 231.4705213690.

The spelling of 12401867 in words is "twelve million, four hundred one thousand, eight hundred sixty-seven".