12055859 has 2 divisors, whose sum is σ = 12055860. Its totient is φ = 12055858.

The previous prime is 12055847. The next prime is 12055891. The reversal of 12055859 is 95855021.

It is a weak prime.

It is an emirp because it is prime and its reverse (95855021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12055859 - 2⁴ = 12055843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12055759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6027929 + 6027930.

It is an arithmetic number, because the mean of its divisors is an integer number (6027930).

Almost surely, 2^12055859 is an apocalyptic number.

12055859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12055859 is an equidigital number, since it uses as much as digits as its factorization.

12055859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 12055859 is about 3472.1548064566. The cubic root of 12055859 is about 229.2975353598.

The spelling of 12055859 in words is "twelve million, fifty-five thousand, eight hundred fifty-nine".