12112947 has 54 divisors (see below), whose sum is σ = 22470084. Its totient is φ = 6264720.

The previous prime is 12112943. The next prime is 12112951. The reversal of 12112947 is 74921121.

12112947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12112943) and next prime (12112951).

It is not a de Polignac number, because 12112947 - 2² = 12112943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12112947.

It is not an unprimeable number, because it can be changed into a prime (12112943) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 53248 + ... + 53474.

Almost surely, 2^12112947 is an apocalyptic number.

12112947 is a deficient number, since it is larger than the sum of its proper divisors (10357137).

12112947 is a wasteful number, since it uses less digits than its factorization.

12112947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 248 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12112947 is about 3480.3659290368. The cubic root of 12112947 is about 229.6588957576.

The spelling of 12112947 in words is "twelve million, one hundred twelve thousand, nine hundred forty-seven".