12285986 has 4 divisors (see below), whose sum is σ = 18428982. Its totient is φ = 6142992.

The previous prime is 12285971. The next prime is 12285997. The reversal of 12285986 is 68958221.

12285986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 961 = 3505^2 + 31^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071495 + ... + 3071498.

Almost surely, 2^12285986 is an apocalyptic number.

12285986 is a deficient number, since it is larger than the sum of its proper divisors (6142996).

12285986 is an equidigital number, since it uses as much as digits as its factorization.

12285986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142995.

The product of its digits is 69120, while the sum is 41.

The square root of 12285986 is about 3505.1370871907. The cubic root of 12285986 is about 230.7473233961.

The spelling of 12285986 in words is "twelve million, two hundred eighty-five thousand, nine hundred eighty-six".