12000085 has 8 divisors (see below), whose sum is σ = 14751576. Its totient is φ = 9365760.

The previous prime is 12000073. The next prime is 12000091. The reversal of 12000085 is 58000021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14641 + 11985444 = 121^2 + 3462^2 .

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

It is not a de Polignac number, because 12000085 - 2²³ = 3611477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29064 + ... + 29473.

It is an arithmetic number, because the mean of its divisors is an integer number (1843947).

Almost surely, 2^12000085 is an apocalyptic number.

It is an amenable number.

12000085 is a deficient number, since it is larger than the sum of its proper divisors (2751491).

12000085 is an equidigital number, since it uses as much as digits as its factorization.

12000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58583.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12000085 is about 3464.1138838092. The cubic root of 12000085 is about 228.9433890689.

The spelling of 12000085 in words is "twelve million, eighty-five", and thus it is an aban number and an uban number.