12041442 has 48 divisors (see below), whose sum is σ = 30019392. Its totient is φ = 3417120.

The previous prime is 12041411. The next prime is 12041473. The reversal of 12041442 is 24414021.

It is an interprime number because it is at equal distance from previous prime (12041411) and next prime (12041473).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28392 + ... + 28812.

It is an arithmetic number, because the mean of its divisors is an integer number (625404).

Almost surely, 2^12041442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12041442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15009696).

12041442 is an abundant number, since it is smaller than the sum of its proper divisors (17977950).

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

12041442 is a wasteful number, since it uses less digits than its factorization.

12041442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12041442 is about 3470.0780971039. The cubic root of 12041442 is about 229.2060970756.

Adding to 12041442 its reverse (24414021), we get a palindrome (36455463).

The spelling of 12041442 in words is "twelve million, forty-one thousand, four hundred forty-two".