12127859 has 2 divisors, whose sum is σ = 12127860. Its totient is φ = 12127858.

The previous prime is 12127807. The next prime is 12127861. The reversal of 12127859 is 95872121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12127859 - 2¹² = 12123763 is a prime.

Together with 12127861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12127879) 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, 6063929 + 6063930.

It is an arithmetic number, because the mean of its divisors is an integer number (6063930).

Almost surely, 2^12127859 is an apocalyptic number.

12127859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12127859 is an equidigital number, since it uses as much as digits as its factorization.

12127859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 12127859 is about 3482.5075735740. The cubic root of 12127859 is about 229.7530998921.

The spelling of 12127859 in words is "twelve million, one hundred twenty-seven thousand, eight hundred fifty-nine".