12027686 has 16 divisors (see below), whose sum is σ = 19880208. Its totient is φ = 5412000.

The previous prime is 12027683. The next prime is 12027707. The reversal of 12027686 is 68672021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027683) 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, 485 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (1242513).

Almost surely, 2^12027686 is an apocalyptic number.

12027686 is a deficient number, since it is larger than the sum of its proper divisors (7852522).

12027686 is a wasteful number, since it uses less digits than its factorization.

12027686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12027686 is about 3468.0954427466. The cubic root of 12027686 is about 229.1187830461.

It can be divided in two parts, 1202 and 7686, that added together give a palindrome (8888).

The spelling of 12027686 in words is "twelve million, twenty-seven thousand, six hundred eighty-six".