12040344 has 48 divisors (see below), whose sum is σ = 33376200. Its totient is φ = 3919104.

The previous prime is 12040337. The next prime is 12040349. The reversal of 12040344 is 44304021.

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

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1152 + ... + 5040.

Almost surely, 2^12040344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16688100).

12040344 is an abundant number, since it is smaller than the sum of its proper divisors (21335856).

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

12040344 is a wasteful number, since it uses less digits than its factorization.

12040344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12040344 is about 3469.9198838014. The cubic root of 12040344 is about 229.1991301375.

Adding to 12040344 its reverse (44304021), we get a palindrome (56344365).

The spelling of 12040344 in words is "twelve million, forty thousand, three hundred forty-four".