12117268 has 12 divisors (see below), whose sum is σ = 21229600. Its totient is φ = 6051672.

The previous prime is 12117247. The next prime is 12117283. The reversal of 12117268 is 86271121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5905 + ... + 7687.

Almost surely, 2^12117268 is an apocalyptic number.

It is an amenable number.

12117268 is a deficient number, since it is larger than the sum of its proper divisors (9112332).

12117268 is a wasteful number, since it uses less digits than its factorization.

12117268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3484 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 12117268 is about 3480.9866417440. The cubic root of 12117268 is about 229.6862009244.

Adding to 12117268 its reverse (86271121), we get a palindrome (98388389).

The spelling of 12117268 in words is "twelve million, one hundred seventeen thousand, two hundred sixty-eight".