12441072 has 80 divisors (see below), whose sum is σ = 37394432. Its totient is φ = 3490560.

The previous prime is 12441049. The next prime is 12441089. The reversal of 12441072 is 27014421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20193 + ... + 20799.

Almost surely, 2^12441072 is an apocalyptic number.

12441072 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 12441072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18697216).

12441072 is an abundant number, since it is smaller than the sum of its proper divisors (24953360).

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

12441072 is a wasteful number, since it uses less digits than its factorization.

12441072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 12441072 is about 3527.1903832938. The cubic root of 12441072 is about 231.7141743629.

Adding to 12441072 its reverse (27014421), we get a palindrome (39455493).

The spelling of 12441072 in words is "twelve million, four hundred forty-one thousand, seventy-two".