12040182 has 144 divisors (see below), whose sum is σ = 35532432. Its totient is φ = 2903040.

The previous prime is 12040181. The next prime is 12040211. The reversal of 12040182 is 28104021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040181) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 164898 + ... + 164970.

It is an arithmetic number, because the mean of its divisors is an integer number (246753).

Almost surely, 2^12040182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17766216).

12040182 is an abundant number, since it is smaller than the sum of its proper divisors (23492250).

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

12040182 is a wasteful number, since it uses less digits than its factorization.

12040182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12040182 is about 3469.8965402444. The cubic root of 12040182 is about 229.1981021927.

The spelling of 12040182 in words is "twelve million, forty thousand, one hundred eighty-two".