12086666 has 8 divisors (see below), whose sum is σ = 18400800. Its totient is φ = 5953068.

The previous prime is 12086639. The next prime is 12086699. The reversal of 12086666 is 66668021.

12086666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12086666 is a modest number, since divided by 6666 gives 1208 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44966 + ... + 45233.

It is an arithmetic number, because the mean of its divisors is an integer number (2300100).

Almost surely, 2^12086666 is an apocalyptic number.

12086666 is a deficient number, since it is larger than the sum of its proper divisors (6314134).

12086666 is an equidigital number, since it uses as much as digits as its factorization.

12086666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90268.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 12086666 is about 3476.5882701292. The cubic root of 12086666 is about 229.4926814354.

The spelling of 12086666 in words is "twelve million, eighty-six thousand, six hundred sixty-six".