12043442 has 8 divisors (see below), whose sum is σ = 18244332. Its totient is φ = 5962000.

The previous prime is 12043441. The next prime is 12043453. The reversal of 12043442 is 24434021.

It can be written as a sum of positive squares in 2 ways, for example, as 9480241 + 2563201 = 3079^2 + 1601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12043441) 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 3 ways as a sum of consecutive naturals, for example, 29609 + ... + 30012.

Almost surely, 2^12043442 is an apocalyptic number.

12043442 is a deficient number, since it is larger than the sum of its proper divisors (6200890).

12043442 is a wasteful number, since it uses less digits than its factorization.

12043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59724.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12043442 is about 3470.3662630910. The cubic root of 12043442 is about 229.2187862208.

Adding to 12043442 its reverse (24434021), we get a palindrome (36477463).

The spelling of 12043442 in words is "twelve million, forty-three thousand, four hundred forty-two".