12416191 has 2 divisors, whose sum is σ = 12416192. Its totient is φ = 12416190.

The previous prime is 12416189. The next prime is 12416203. The reversal of 12416191 is 19161421.

It is a weak prime.

It is an emirp because it is prime and its reverse (19161421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12416191 - 2¹ = 12416189 is a prime.

Together with 12416189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12416791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208095 + 6208096.

It is an arithmetic number, because the mean of its divisors is an integer number (6208096).

Almost surely, 2^12416191 is an apocalyptic number.

12416191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12416191 is an equidigital number, since it uses as much as digits as its factorization.

12416191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

The square root of 12416191 is about 3523.6615898806. The cubic root of 12416191 is about 231.5596022598.

The spelling of 12416191 in words is "twelve million, four hundred sixteen thousand, one hundred ninety-one".