12844031 has 2 divisors, whose sum is σ = 12844032. Its totient is φ = 12844030.

The previous prime is 12844021. The next prime is 12844049. The reversal of 12844031 is 13044821.

It is a weak prime.

It is an emirp because it is prime and its reverse (13044821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12844031 is a prime.

It is a super-2 number, since 2×12844031² = 329938264657922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12843988 and 12844006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12844021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422015 + 6422016.

It is an arithmetic number, because the mean of its divisors is an integer number (6422016).

Almost surely, 2^12844031 is an apocalyptic number.

12844031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12844031 is an equidigital number, since it uses as much as digits as its factorization.

12844031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12844031 is about 3583.8570004954. The cubic root of 12844031 is about 234.1893358893.

Adding to 12844031 its reverse (13044821), we get a palindrome (25888852).

The spelling of 12844031 in words is "twelve million, eight hundred forty-four thousand, thirty-one".