12044641 has 12 divisors (see below), whose sum is σ = 14068740. Its totient is φ = 10281600.

The previous prime is 12044639. The next prime is 12044671. The reversal of 12044641 is 14644021.

It can be written as a sum of positive squares in 2 ways, for example, as 10595025 + 1449616 = 3255^2 + 1204^2 .

It is not a de Polignac number, because 12044641 - 2¹ = 12044639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12044671) 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 in 11 ways as a sum of consecutive naturals, for example, 19741 + ... + 20341.

It is an arithmetic number, because the mean of its divisors is an integer number (1172395).

Almost surely, 2^12044641 is an apocalyptic number.

It is an amenable number.

12044641 is a deficient number, since it is larger than the sum of its proper divisors (2024099).

12044641 is an equidigital number, since it uses as much as digits as its factorization.

12044641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12044641 is about 3470.5390071284. The cubic root of 12044641 is about 229.2263926898.

Adding to 12044641 its reverse (14644021), we get a palindrome (26688662).

The spelling of 12044641 in words is "twelve million, forty-four thousand, six hundred forty-one".