12082158 has 48 divisors (see below), whose sum is σ = 28828800. Its totient is φ = 3626640.

The previous prime is 12082139. The next prime is 12082159. The reversal of 12082158 is 85128021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12082159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27303 + ... + 27741.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^12082158 is an apocalyptic number.

12082158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12082158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14414400).

12082158 is an abundant number, since it is smaller than the sum of its proper divisors (16746642).

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

12082158 is a wasteful number, since it uses less digits than its factorization.

12082158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12082158 is about 3475.9398728977. The cubic root of 12082158 is about 229.4641463634.

The spelling of 12082158 in words is "twelve million, eighty-two thousand, one hundred fifty-eight".