12243516 has 12 divisors (see below), whose sum is σ = 28568232. Its totient is φ = 4081168.

The previous prime is 12243457. The next prime is 12243541. The reversal of 12243516 is 61534221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

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, 510135 + ... + 510158.

It is an arithmetic number, because the mean of its divisors is an integer number (2380686).

Almost surely, 2^12243516 is an apocalyptic number.

It is an amenable number.

12243516 is an abundant number, since it is smaller than the sum of its proper divisors (16324716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243516 is a wasteful number, since it uses less digits than its factorization.

12243516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020300 (or 1020298 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 12243516 is about 3499.0735916811. The cubic root of 12243516 is about 230.4811352222.

Adding to 12243516 its reverse (61534221), we get a palindrome (73777737).

The spelling of 12243516 in words is "twelve million, two hundred forty-three thousand, five hundred sixteen".