12033986 has 4 divisors (see below), whose sum is σ = 18050982. Its totient is φ = 6016992.

The previous prime is 12033971. The next prime is 12033997. The reversal of 12033986 is 68933021.

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., 12033961 + 25 = 3469^2 + 5^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3008495 + ... + 3008498.

Almost surely, 2^12033986 is an apocalyptic number.

12033986 is a deficient number, since it is larger than the sum of its proper divisors (6016996).

12033986 is an equidigital number, since it uses as much as digits as its factorization.

12033986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016995.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12033986 is about 3469.0036033420. The cubic root of 12033986 is about 229.1587795559.

The spelling of 12033986 in words is "twelve million, thirty-three thousand, nine hundred eighty-six".