12085871 has 8 divisors (see below), whose sum is σ = 13850400. Its totient is φ = 10330848.

The previous prime is 12085859. The next prime is 12085873. The reversal of 12085871 is 17858021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12085871 - 2¹⁴ = 12069487 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 (12085873) 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, 605 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (1731300).

Almost surely, 2^12085871 is an apocalyptic number.

12085871 is a deficient number, since it is larger than the sum of its proper divisors (1764529).

12085871 is an equidigital number, since it uses as much as digits as its factorization.

12085871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12085871 is about 3476.4739320179. The cubic root of 12085871 is about 229.4876497010.

The spelling of 12085871 in words is "twelve million, eighty-five thousand, eight hundred seventy-one".