12078085 has 8 divisors (see below), whose sum is σ = 14637816. Its totient is φ = 9566400.

The previous prime is 12078049. The next prime is 12078097. The reversal of 12078085 is 58087021.

It can be written as a sum of positive squares in 4 ways, for example, as 4674244 + 7403841 = 2162^2 + 2721^2 .

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

It is not a de Polignac number, because 12078085 - 2⁷ = 12077957 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, 11454 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (1829727).

Almost surely, 2^12078085 is an apocalyptic number.

It is an amenable number.

12078085 is a deficient number, since it is larger than the sum of its proper divisors (2559731).

12078085 is a wasteful number, since it uses less digits than its factorization.

12078085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24023.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 12078085 is about 3475.3539388097. The cubic root of 12078085 is about 229.4383586824.

The spelling of 12078085 in words is "twelve million, seventy-eight thousand, eighty-five".