12844143 has 64 divisors (see below), whose sum is σ = 22471680. Its totient is φ = 7185024.

The previous prime is 12844127. The next prime is 12844151. The reversal of 12844143 is 34144821.

12844143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12844143 - 2⁴ = 12844127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298680 + ... + 298722.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^12844143 is an apocalyptic number.

12844143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12844143 is a deficient number, since it is larger than the sum of its proper divisors (9627537).

12844143 is a wasteful number, since it uses less digits than its factorization.

12844143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 12844143 is about 3583.8726260848. The cubic root of 12844143 is about 234.1900165979.

Adding to 12844143 its reverse (34144821), we get a palindrome (46988964).

The spelling of 12844143 in words is "twelve million, eight hundred forty-four thousand, one hundred forty-three".