12138084 has 72 divisors (see below), whose sum is σ = 35817600. Its totient is φ = 3464496.

The previous prime is 12138073. The next prime is 12138097. The reversal of 12138084 is 48083121.

12138084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11857 + ... + 12839.

Almost surely, 2^12138084 is an apocalyptic number.

12138084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12138084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17908800).

12138084 is an abundant number, since it is smaller than the sum of its proper divisors (23679516).

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

12138084 is a wasteful number, since it uses less digits than its factorization.

12138084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12138084 is about 3483.9753156416. The cubic root of 12138084 is about 229.8176500474.

The spelling of 12138084 in words is "twelve million, one hundred thirty-eight thousand, eighty-four".