12478166 has 8 divisors (see below), whose sum is σ = 18735384. Its totient is φ = 6233040.

The previous prime is 12478163. The next prime is 12478183. The reversal of 12478166 is 66187421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (2341923).

Almost surely, 2^12478166 is an apocalyptic number.

12478166 is a deficient number, since it is larger than the sum of its proper divisors (6257218).

12478166 is a wasteful number, since it uses less digits than its factorization.

12478166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046.

The product of its digits is 16128, while the sum is 35.

The square root of 12478166 is about 3532.4447624839. Note that the first 3 decimals coincide. The cubic root of 12478166 is about 231.9442369944.

The spelling of 12478166 in words is "twelve million, four hundred seventy-eight thousand, one hundred sixty-six".