12116047 has 4 divisors (see below), whose sum is σ = 12127960. Its totient is φ = 12104136.

The previous prime is 12116023. The next prime is 12116077. The reversal of 12116047 is 74061121.

12116047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12116047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (3031990).

Almost surely, 2^12116047 is an apocalyptic number.

12116047 is a deficient number, since it is larger than the sum of its proper divisors (11913).

12116047 is a wasteful number, since it uses less digits than its factorization.

12116047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12116047 is about 3480.8112560149. The cubic root of 12116047 is about 229.6784858665.

Adding to 12116047 its reverse (74061121), we get a palindrome (86177168).

The spelling of 12116047 in words is "twelve million, one hundred sixteen thousand, forty-seven".