12441330 has 128 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 2923200.

The previous prime is 12441329. The next prime is 12441349. The reversal of 12441330 is 3314421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175195 + ... + 175265.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

Almost surely, 2^12441330 is an apocalyptic number.

12441330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12441330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18662400).

12441330 is an abundant number, since it is smaller than the sum of its proper divisors (24883470).

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

12441330 is a wasteful number, since it uses less digits than its factorization.

12441330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12441330 is about 3527.2269561229. The cubic root of 12441330 is about 231.7157760964.

Adding to 12441330 its reverse (3314421), we get a palindrome (15755751).

The spelling of 12441330 in words is "twelve million, four hundred forty-one thousand, three hundred thirty".