12112587 has 12 divisors (see below), whose sum is σ = 17783584. Its totient is φ = 7942320.

The previous prime is 12112571. The next prime is 12112603. The reversal of 12112587 is 78521121.

It is an interprime number because it is at equal distance from previous prime (12112571) and next prime (12112603).

It is not a de Polignac number, because 12112587 - 2⁴ = 12112571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112587.

It is not an unprimeable number, because it can be changed into a prime (12112187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10483 + ... + 11580.

Almost surely, 2^12112587 is an apocalyptic number.

12112587 is a deficient number, since it is larger than the sum of its proper divisors (5670997).

12112587 is a wasteful number, since it uses less digits than its factorization.

12112587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130 (or 22127 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 12112587 is about 3480.3142099529. The cubic root of 12112587 is about 229.6566205606.

The spelling of 12112587 in words is "twelve million, one hundred twelve thousand, five hundred eighty-seven".