12086858 has 16 divisors (see below), whose sum is σ = 21072960. Its totient is φ = 5091936.

The previous prime is 12086857. The next prime is 12086863. The reversal of 12086858 is 85868021.

12086858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12086857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491 + ... + 8142.

It is an arithmetic number, because the mean of its divisors is an integer number (1317060).

Almost surely, 2^12086858 is an apocalyptic number.

12086858 is a deficient number, since it is larger than the sum of its proper divisors (8986102).

12086858 is a wasteful number, since it uses less digits than its factorization.

12086858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14701.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 12086858 is about 3476.6158832980. The cubic root of 12086858 is about 229.4938966137.

The spelling of 12086858 in words is "twelve million, eighty-six thousand, eight hundred fifty-eight".