12113647 has 8 divisors (see below), whose sum is σ = 14909216. Its totient is φ = 9584352.

The previous prime is 12113599. The next prime is 12113657. The reversal of 12113647 is 74631121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12113647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66468 + ... + 66649.

It is an arithmetic number, because the mean of its divisors is an integer number (1863652).

Almost surely, 2^12113647 is an apocalyptic number.

12113647 is a deficient number, since it is larger than the sum of its proper divisors (2795569).

12113647 is a wasteful number, since it uses less digits than its factorization.

12113647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133137.

The product of its digits is 1008, while the sum is 25.

The square root of 12113647 is about 3480.4664917221. The cubic root of 12113647 is about 229.6633196227.

Adding to 12113647 its reverse (74631121), we get a palindrome (86744768).

The spelling of 12113647 in words is "twelve million, one hundred thirteen thousand, six hundred forty-seven".