12020678 has 8 divisors (see below), whose sum is σ = 18100368. Its totient is φ = 5987224.

The previous prime is 12020647. The next prime is 12020681. The reversal of 12020678 is 87602021.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10901 + ... + 11952.

It is an arithmetic number, because the mean of its divisors is an integer number (2262546).

Almost surely, 2^12020678 is an apocalyptic number.

12020678 is a deficient number, since it is larger than the sum of its proper divisors (6079690).

12020678 is a wasteful number, since it uses less digits than its factorization.

12020678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23118.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12020678 is about 3467.0849427148. The cubic root of 12020678 is about 229.0742752778.

Adding to 12020678 its reverse (87602021), we get a palindrome (99622699).

The spelling of 12020678 in words is "twelve million, twenty thousand, six hundred seventy-eight".