12087 has 12 divisors (see below), whose sum is σ = 18720. Its totient is φ = 7488.

The previous prime is 12073. The next prime is 12097. The reversal of 12087 is 78021.

12087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12087 - 2⁴ = 12071 is a prime.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114 + ... + 192.

It is an arithmetic number, because the mean of its divisors is an integer number (1560).

2¹²⁰⁸⁷ is an apocalyptic number.

12087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12087 is a deficient number, since it is larger than the sum of its proper divisors (6633).

12087 is a wasteful number, since it uses less digits than its factorization.

12087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12087 is about 109.9408932109. The cubic root of 12087 is about 22.9494795331.

It can be divided in two parts, 120 and 87, that multiplied together give a triangular number (10440 = T₁₄₄).

The spelling of 12087 in words is "twelve thousand, eighty-seven".