12027684 has 48 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 3739680.

The previous prime is 12027683. The next prime is 12027707. The reversal of 12027684 is 48672021.

12027684 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12027683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15817 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^12027684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12027684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

12027684 is an abundant number, since it is smaller than the sum of its proper divisors (17970396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12027684 is a wasteful number, since it uses less digits than its factorization.

12027684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12027684 is about 3468.0951544039. The cubic root of 12027684 is about 229.1187703466.

The spelling of 12027684 in words is "twelve million, twenty-seven thousand, six hundred eighty-four".