12086866 has 8 divisors (see below), whose sum is σ = 19778544. Its totient is φ = 5494020.

The previous prime is 12086863. The next prime is 12086887. The reversal of 12086866 is 66868021.

12086866 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.

It is not an unprimeable number, because it can be changed into a prime (12086863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274680 + ... + 274723.

It is an arithmetic number, because the mean of its divisors is an integer number (2472318).

Almost surely, 2^12086866 is an apocalyptic number.

12086866 is a deficient number, since it is larger than the sum of its proper divisors (7691678).

12086866 is a wasteful number, since it uses less digits than its factorization.

12086866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549416.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 12086866 is about 3476.6170338420. The cubic root of 12086866 is about 229.4939472458.

The spelling of 12086866 in words is "twelve million, eighty-six thousand, eight hundred sixty-six".