12113867 has 2 divisors, whose sum is σ = 12113868. Its totient is φ = 12113866.

The previous prime is 12113863. The next prime is 12113869. The reversal of 12113867 is 76831121.

12113867 is digitally balanced in base 3, 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 12113867 - 2² = 12113863 is a prime.

Together with 12113869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12113861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056933 + 6056934.

It is an arithmetic number, because the mean of its divisors is an integer number (6056934).

Almost surely, 2^12113867 is an apocalyptic number.

12113867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113867 is an equidigital number, since it uses as much as digits as its factorization.

12113867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 12113867 is about 3480.4980965373. The cubic root of 12113867 is about 229.6647099451.

Adding to 12113867 its reverse (76831121), we get a palindrome (88944988).

The spelling of 12113867 in words is "twelve million, one hundred thirteen thousand, eight hundred sixty-seven".