12084871 has 4 divisors (see below), whose sum is σ = 12107512. Its totient is φ = 12062232.

The previous prime is 12084869. The next prime is 12084889. The reversal of 12084871 is 17848021.

12084871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17848021 = 29 ⋅615449.

It is a cyclic number.

It is not a de Polignac number, because 12084871 - 2¹ = 12084869 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 (12084811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10500 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (3026878).

Almost surely, 2^12084871 is an apocalyptic number.

12084871 is a deficient number, since it is larger than the sum of its proper divisors (22641).

12084871 is an equidigital number, since it uses as much as digits as its factorization.

12084871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22640.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12084871 is about 3476.3301051540. The cubic root of 12084871 is about 229.4813201618.

The spelling of 12084871 in words is "twelve million, eighty-four thousand, eight hundred seventy-one".