11856678 has 8 divisors (see below), whose sum is σ = 23713368. Its totient is φ = 3952224.

The previous prime is 11856673. The next prime is 11856697. The reversal of 11856678 is 87665811.

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

11856678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856673) by changing a digit.

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, 988051 + ... + 988062.

It is an arithmetic number, because the mean of its divisors is an integer number (2964171).

Almost surely, 2^11856678 is an apocalyptic number.

11856678 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.

11856678 is a wasteful number, since it uses less digits than its factorization.

11856678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976118.

The product of its digits is 80640, while the sum is 42.

The square root of 11856678 is about 3443.3527266314. The cubic root of 11856678 is about 228.0277359302.

The spelling of 11856678 in words is "eleven million, eight hundred fifty-six thousand, six hundred seventy-eight".