12036986 has 32 divisors (see below), whose sum is σ = 20856528. Its totient is φ = 5160960.

The previous prime is 12036977. The next prime is 12036991. The reversal of 12036986 is 68963021.

It can be written as a sum of positive squares in 8 ways, for example, as 3222025 + 8814961 = 1795^2 + 2969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49826 + ... + 50066.

Almost surely, 2^12036986 is an apocalyptic number.

12036986 is a deficient number, since it is larger than the sum of its proper divisors (8819542).

12036986 is a wasteful number, since it uses less digits than its factorization.

12036986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12036986 is about 3469.4359772159. The cubic root of 12036986 is about 229.1778206068.

The spelling of 12036986 in words is "twelve million, thirty-six thousand, nine hundred eighty-six".