12043413 has 12 divisors (see below), whose sum is σ = 17682028. Its totient is φ = 7896960.

The previous prime is 12043403. The next prime is 12043417. The reversal of 12043413 is 31434021.

It can be written as a sum of positive squares in 2 ways, for example, as 1034289 + 11009124 = 1017^2 + 3318^2 .

It is not a de Polignac number, because 12043413 - 2¹² = 12039317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043417) 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, 10420 + ... + 11517.

Almost surely, 2^12043413 is an apocalyptic number.

It is an amenable number.

12043413 is a deficient number, since it is larger than the sum of its proper divisors (5638615).

12043413 is a wasteful number, since it uses less digits than its factorization.

12043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22004 (or 22001 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12043413 is about 3470.3620848551. The cubic root of 12043413 is about 229.2186022382.

Adding to 12043413 its reverse (31434021), we get a palindrome (43477434).

The spelling of 12043413 in words is "twelve million, forty-three thousand, four hundred thirteen".