12332140 has 96 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 4156416.

The previous prime is 12332129. The next prime is 12332143. The reversal of 12332140 is 4123321.

It is a happy number.

12332140 is digitally balanced in base 2, because in such base 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 (12332143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148539 + ... + 148621.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^12332140 is an apocalyptic number.

12332140 is a gapful number since it is divisible by the number (10) 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 12332140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240960).

12332140 is an abundant number, since it is smaller than the sum of its proper divisors (18149780).

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

12332140 is a wasteful number, since it uses less digits than its factorization.

12332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12332140 is about 3511.7146808931. The cubic root of 12332140 is about 231.0359070386.

Adding to 12332140 its reverse (4123321), we get a palindrome (16455461).

The spelling of 12332140 in words is "twelve million, three hundred thirty-two thousand, one hundred forty".