12086678 has 8 divisors (see below), whose sum is σ = 18755280. Its totient is φ = 5834920.

The previous prime is 12086639. The next prime is 12086699. The reversal of 12086678 is 87668021.

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

It is a congruent number.

It is an unprimeable number.

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, 104138 + ... + 104253.

It is an arithmetic number, because the mean of its divisors is an integer number (2344410).

Almost surely, 2^12086678 is an apocalyptic number.

12086678 is a deficient number, since it is larger than the sum of its proper divisors (6668602).

12086678 is a wasteful number, since it uses less digits than its factorization.

12086678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208422.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 12086678 is about 3476.5899959587. The cubic root of 12086678 is about 229.4927573844.

The spelling of 12086678 in words is "twelve million, eighty-six thousand, six hundred seventy-eight".