2112347 has 2 divisors, whose sum is σ = 2112348. Its totient is φ = 2112346.

The previous prime is 2112337. The next prime is 2112353. The reversal of 2112347 is 7432112.

2112347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112347 - 2¹² = 2108251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056173 + 1056174.

It is an arithmetic number, because the mean of its divisors is an integer number (1056174).

2^2112347 is an apocalyptic number.

2112347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112347 is an equidigital number, since it uses as much as digits as its factorization.

2112347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 20.

The square root of 2112347 is about 1453.3915508217. The cubic root of 2112347 is about 128.3083994212.

Adding to 2112347 its reverse (7432112), we get a palindrome (9544459).

The spelling of 2112347 in words is "two million, one hundred twelve thousand, three hundred forty-seven".