12170066 has 8 divisors (see below), whose sum is σ = 18314364. Its totient is φ = 6065280.

The previous prime is 12170063. The next prime is 12170083. The reversal of 12170066 is 66007121.

It can be written as a sum of positive squares in 2 ways, for example, as 9431041 + 2739025 = 3071^2 + 1655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12170066² = 296221012888712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12170063) 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 3 ways as a sum of consecutive naturals, for example, 9095 + ... + 10346.

Almost surely, 2^12170066 is an apocalyptic number.

12170066 is a deficient number, since it is larger than the sum of its proper divisors (6144298).

12170066 is a wasteful number, since it uses less digits than its factorization.

12170066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19756.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12170066 is about 3488.5621679999. The cubic root of 12170066 is about 230.0193178481.

Adding to 12170066 its reverse (66007121), we get a palindrome (78177187).

The spelling of 12170066 in words is "twelve million, one hundred seventy thousand, sixty-six".