12267859 has 2 divisors, whose sum is σ = 12267860. Its totient is φ = 12267858.

The previous prime is 12267839. The next prime is 12267883. The reversal of 12267859 is 95876221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12267859 - 2⁹ = 12267347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12267839) 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, 6133929 + 6133930.

It is an arithmetic number, because the mean of its divisors is an integer number (6133930).

Almost surely, 2^12267859 is an apocalyptic number.

12267859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12267859 is an equidigital number, since it uses as much as digits as its factorization.

12267859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 12267859 is about 3502.5503565259. The cubic root of 12267859 is about 230.6337844006.

The spelling of 12267859 in words is "twelve million, two hundred sixty-seven thousand, eight hundred fifty-nine".