12166486 has 8 divisors (see below), whose sum is σ = 18879120. Its totient is φ = 5873448.

The previous prime is 12166481. The next prime is 12166493. The reversal of 12166486 is 68466121.

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

It is a super-3 number, since 3×12166486³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166481) 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, 104826 + ... + 104941.

It is an arithmetic number, because the mean of its divisors is an integer number (2359890).

Almost surely, 2^12166486 is an apocalyptic number.

12166486 is a deficient number, since it is larger than the sum of its proper divisors (6712634).

12166486 is a wasteful number, since it uses less digits than its factorization.

12166486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209798.

The product of its digits is 13824, while the sum is 34.

The square root of 12166486 is about 3488.0490248848. The cubic root of 12166486 is about 229.9967611390.

The spelling of 12166486 in words is "twelve million, one hundred sixty-six thousand, four hundred eighty-six".