12663170 has 48 divisors (see below), whose sum is σ = 25297920. Its totient is φ = 4560192.

The previous prime is 12663143. The next prime is 12663191. The reversal of 12663170 is 7136621.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99647 + ... + 99773.

It is an arithmetic number, because the mean of its divisors is an integer number (527040).

Almost surely, 2^12663170 is an apocalyptic number.

12663170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12663170 is a deficient number, since it is larger than the sum of its proper divisors (12634750).

12663170 is a wasteful number, since it uses less digits than its factorization.

12663170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12663170 is about 3558.5348108456. The cubic root of 12663170 is about 233.0849033910.

Adding to 12663170 its reverse (7136621), we get a palindrome (19799791).

The spelling of 12663170 in words is "twelve million, six hundred sixty-three thousand, one hundred seventy".