12216675 has 12 divisors (see below), whose sum is σ = 20198360. Its totient is φ = 6515520.

The previous prime is 12216671. The next prime is 12216719. The reversal of 12216675 is 57661221.

12216675 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12216675 - 2² = 12216671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12216671) 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, 81370 + ... + 81519.

Almost surely, 2^12216675 is an apocalyptic number.

12216675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12216675 is a deficient number, since it is larger than the sum of its proper divisors (7981685).

12216675 is a wasteful number, since it uses less digits than its factorization.

12216675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162902 (or 162897 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 12216675 is about 3495.2360435313. The cubic root of 12216675 is about 230.3125869511.

Adding to 12216675 its reverse (57661221), we get a palindrome (69877896).

The spelling of 12216675 in words is "twelve million, two hundred sixteen thousand, six hundred seventy-five".