It is a sphenic number, since it is the product of 3 distinct primes.
12678 is an admirable number.
It is a Curzon number.
It is a plaindrome in base 10.
It is a congruent number.
212678 is an apocalyptic number.
12678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12678 is a wasteful number, since it uses less digits than its factorization.
12678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2118.
The square root of 12678 is about 112.5966251714. The cubic root of 12678 is about 23.3175857463.
The spelling of 12678 in words is "twelve thousand, six hundred seventy-eight".