12047806 has 8 divisors (see below), whose sum is σ = 18341640. Its totient is φ = 5933928.

The previous prime is 12047803. The next prime is 12047813. The reversal of 12047806 is 60874021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44821 + ... + 45088.

It is an arithmetic number, because the mean of its divisors is an integer number (2292705).

Almost surely, 2^12047806 is an apocalyptic number.

12047806 is a deficient number, since it is larger than the sum of its proper divisors (6293834).

12047806 is an equidigital number, since it uses as much as digits as its factorization.

12047806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89978.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12047806 is about 3470.9949582216. The cubic root of 12047806 is about 229.2464690595.

The spelling of 12047806 in words is "twelve million, forty-seven thousand, eight hundred six".