12071285 has 8 divisors (see below), whose sum is σ = 14519736. Its totient is φ = 9634240.

The previous prime is 12071281. The next prime is 12071299. The reversal of 12071285 is 58217021.

12071285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2079364 + 9991921 = 1442^2 + 3161^2 .

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

It is not a de Polignac number, because 12071285 - 2² = 12071281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 4923.

It is an arithmetic number, because the mean of its divisors is an integer number (1814967).

Almost surely, 2^12071285 is an apocalyptic number.

It is an amenable number.

12071285 is a deficient number, since it is larger than the sum of its proper divisors (2448451).

12071285 is an equidigital number, since it uses as much as digits as its factorization.

12071285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12071285 is about 3474.3754834502. The cubic root of 12071285 is about 229.3952924257.

The spelling of 12071285 in words is "twelve million, seventy-one thousand, two hundred eighty-five".