12180244 has 12 divisors (see below), whose sum is σ = 21394324. Its totient is φ = 6067584.

The previous prime is 12180229. The next prime is 12180251. The reversal of 12180244 is 44208121.

It can be written as a sum of positive squares in 2 ways, for example, as 2067844 + 10112400 = 1438^2 + 3180^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4389 + ... + 6604.

Almost surely, 2^12180244 is an apocalyptic number.

It is an amenable number.

12180244 is a deficient number, since it is larger than the sum of its proper divisors (9214080).

12180244 is a wasteful number, since it uses less digits than its factorization.

12180244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274 (or 11272 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 12180244 is about 3490.0206303115. The cubic root of 12180244 is about 230.0834227943.

Adding to 12180244 its reverse (44208121), we get a palindrome (56388365).

The spelling of 12180244 in words is "twelve million, one hundred eighty thousand, two hundred forty-four".