12086218 has 16 divisors (see below), whose sum is σ = 19816704. Its totient is φ = 5503680.

The previous prime is 12086203. The next prime is 12086227. The reversal of 12086218 is 81268021.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4680 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (1238544).

Almost surely, 2^12086218 is an apocalyptic number.

12086218 is a deficient number, since it is larger than the sum of its proper divisors (7730486).

12086218 is a wasteful number, since it uses less digits than its factorization.

12086218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11517.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12086218 is about 3476.5238385491. The cubic root of 12086218 is about 229.4898459694.

The spelling of 12086218 in words is "twelve million, eighty-six thousand, two hundred eighteen".