12112641 has 12 divisors (see below), whose sum is σ = 17793360. Its totient is φ = 7937880.

The previous prime is 12112637. The next prime is 12112649. The reversal of 12112641 is 14621121.

12112641 is a `hidden beast` number, since 1 + 21 + 1 + 2 + 641 = 666.

It is not a de Polignac number, because 12112641 - 2² = 12112637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12112649) 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, 10875 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (1482780).

Almost surely, 2^12112641 is an apocalyptic number.

It is an amenable number.

12112641 is a deficient number, since it is larger than the sum of its proper divisors (5680719).

12112641 is a wasteful number, since it uses less digits than its factorization.

12112641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876 (or 22873 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 12112641 is about 3480.3219678645. The cubic root of 12112641 is about 229.6569618431.

Adding to 12112641 its reverse (14621121), we get a palindrome (26733762).

The spelling of 12112641 in words is "twelve million, one hundred twelve thousand, six hundred forty-one".