12117366 has 24 divisors (see below), whose sum is σ = 27396720. Its totient is φ = 3863376.

The previous prime is 12117359. The next prime is 12117367. The reversal of 12117366 is 66371121.

12117366 = 1739² + 1740² + ... + 1742².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14221 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (1141530).

Almost surely, 2^12117366 is an apocalyptic number.

12117366 is an abundant number, since it is smaller than the sum of its proper divisors (15279354).

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

12117366 is a wasteful number, since it uses less digits than its factorization.

12117366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29300 (or 29297 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 12117366 is about 3481.0007181844. Note that the first 3 decimals coincide. The cubic root of 12117366 is about 229.6868201285.

Adding to 12117366 its reverse (66371121), we get a palindrome (78488487).

The spelling of 12117366 in words is "twelve million, one hundred seventeen thousand, three hundred sixty-six".