12044543 has 12 divisors (see below), whose sum is σ = 14069880. Its totient is φ = 10280592.

The previous prime is 12044519. The next prime is 12044563. The reversal of 12044543 is 34544021.

It is not a de Polignac number, because 12044543 - 2¹⁸ = 11782399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17948 + ... + 18606.

It is an arithmetic number, because the mean of its divisors is an integer number (1172490).

Almost surely, 2^12044543 is an apocalyptic number.

12044543 is a deficient number, since it is larger than the sum of its proper divisors (2025337).

12044543 is an equidigital number, since it uses as much as digits as its factorization.

12044543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 12044543 is about 3470.5248882554. The cubic root of 12044543 is about 229.2257709957.

Adding to 12044543 its reverse (34544021), we get a palindrome (46588564).

The spelling of 12044543 in words is "twelve million, forty-four thousand, five hundred forty-three".