12000678 has 8 divisors (see below), whose sum is σ = 24001368. Its totient is φ = 4000224.

The previous prime is 12000673. The next prime is 12000679. The reversal of 12000678 is 87600021.

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

12000678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000673) 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, 1000051 + ... + 1000062.

It is an arithmetic number, because the mean of its divisors is an integer number (3000171).

Almost surely, 2^12000678 is an apocalyptic number.

12000678 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.

12000678 is a wasteful number, since it uses less digits than its factorization.

12000678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000118.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12000678 is about 3464.1994746261. The cubic root of 12000678 is about 228.9471601864.

Adding to 12000678 its reverse (87600021), we get a palindrome (99600699).

The spelling of 12000678 in words is "twelve million, six hundred seventy-eight", and thus it is an aban number.