12043424 has 24 divisors (see below), whose sum is σ = 23797620. Its totient is φ = 5999616.

The previous prime is 12043417. The next prime is 12043441. The reversal of 12043424 is 42434021.

It can be written as a sum of positive squares in 2 ways, for example, as 11971600 + 71824 = 3460^2 + 268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12043396 and 12043405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11432 + ... + 12440.

Almost surely, 2^12043424 is an apocalyptic number.

It is an amenable number.

12043424 is a deficient number, since it is larger than the sum of its proper divisors (11754196).

12043424 is a wasteful number, since it uses less digits than its factorization.

12043424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1384 counting only the distinct ones).

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

The square root of 12043424 is about 3470.3636697038. The cubic root of 12043424 is about 229.2186720248.

Adding to 12043424 its reverse (42434021), we get a palindrome (54477445).

The spelling of 12043424 in words is "twelve million, forty-three thousand, four hundred twenty-four".