12844424 has 8 divisors (see below), whose sum is σ = 24083310. Its totient is φ = 6422208.

The previous prime is 12844421. The next prime is 12844441. The reversal of 12844424 is 42444821.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 3541924 = 3050^2 + 1882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12844421) 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 as a sum of consecutive naturals, namely, 802769 + ... + 802784.

Almost surely, 2^12844424 is an apocalyptic number.

It is an amenable number.

12844424 is a deficient number, since it is larger than the sum of its proper divisors (11238886).

12844424 is a wasteful number, since it uses less digits than its factorization.

12844424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605559 (or 1605555 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 12844424 is about 3583.9118292726. The cubic root of 12844424 is about 234.1917244299.

The spelling of 12844424 in words is "twelve million, eight hundred forty-four thousand, four hundred twenty-four".