12243316 has 12 divisors (see below), whose sum is σ = 21623140. Its totient is φ = 6065280.

The previous prime is 12243313. The next prime is 12243317. The reversal of 12243316 is 61334221.

It can be written as a sum of positive squares in 2 ways, for example, as 5740816 + 6502500 = 2396^2 + 2550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243313) 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 3 ways as a sum of consecutive naturals, for example, 13605 + ... + 14476.

Almost surely, 2^12243316 is an apocalyptic number.

It is an amenable number.

12243316 is a deficient number, since it is larger than the sum of its proper divisors (9379824).

12243316 is a wasteful number, since it uses less digits than its factorization.

12243316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28194 (or 28192 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 12243316 is about 3499.0450125713. The cubic root of 12243316 is about 230.4798802320.

Adding to 12243316 its reverse (61334221), we get a palindrome (73577537).

The spelling of 12243316 in words is "twelve million, two hundred forty-three thousand, three hundred sixteen".