12441132 has 72 divisors (see below), whose sum is σ = 34791120. Its totient is φ = 3717120.

The previous prime is 12441131. The next prime is 12441173. The reversal of 12441132 is 23114421.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12441131) 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, 35068 + ... + 35420.

It is an arithmetic number, because the mean of its divisors is an integer number (483210).

Almost surely, 2^12441132 is an apocalyptic number.

12441132 is a gapful number since it is divisible by the number (12) 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 12441132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17395560).

12441132 is an abundant number, since it is smaller than the sum of its proper divisors (22349988).

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

12441132 is a wasteful number, since it uses less digits than its factorization.

12441132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 458 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12441132 is about 3527.1988886367. The cubic root of 12441132 is about 231.7145468611.

Adding to 12441132 its reverse (23114421), we get a palindrome (35555553).

Subtracting 12441132 from its reverse (23114421), we obtain a square (10673289 = 3267²).

It can be divided in two parts, 12 and 441132, that added together give a palindrome (441144).

The spelling of 12441132 in words is "twelve million, four hundred forty-one thousand, one hundred thirty-two".