12044143 has 4 divisors (see below), whose sum is σ = 12752640. Its totient is φ = 11335648.

The previous prime is 12044141. The next prime is 12044147. The reversal of 12044143 is 34144021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12044143 - 2¹ = 12044141 is a prime.

It is a super-2 number, since 2×12044143² = 290122761208898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12044143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044141) 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 3 ways as a sum of consecutive naturals, for example, 354223 + ... + 354256.

It is an arithmetic number, because the mean of its divisors is an integer number (3188160).

Almost surely, 2^12044143 is an apocalyptic number.

12044143 is a deficient number, since it is larger than the sum of its proper divisors (708497).

12044143 is an equidigital number, since it uses as much as digits as its factorization.

12044143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708496.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12044143 is about 3470.4672596064. The cubic root of 12044143 is about 229.2232334337.

Adding to 12044143 its reverse (34144021), we get a palindrome (46188164).

The spelling of 12044143 in words is "twelve million, forty-four thousand, one hundred forty-three".