12002986 has 16 divisors (see below), whose sum is σ = 19128960. Its totient is φ = 5629120.

The previous prime is 12002959. The next prime is 12002989. The reversal of 12002986 is 68920021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12002989) by changing a digit.

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, 16335 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (1195560).

Almost surely, 2^12002986 is an apocalyptic number.

12002986 is a deficient number, since it is larger than the sum of its proper divisors (7125974).

12002986 is a wasteful number, since it uses less digits than its factorization.

12002986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12002986 is about 3464.5325803057. The cubic root of 12002986 is about 228.9618364732.

It can be divided in two parts, 1200 and 2986, that added together give a triangular number (4186 = T₉₁).

The spelling of 12002986 in words is "twelve million, two thousand, nine hundred eighty-six".