12421163 has 2 divisors, whose sum is σ = 12421164. Its totient is φ = 12421162.

The previous prime is 12421121. The next prime is 12421177. The reversal of 12421163 is 36112421.

12421163 is digitally balanced in base 2 and base 3, because in such bases 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 12421163 - 2⁶ = 12421099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12421103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210581 + 6210582.

It is an arithmetic number, because the mean of its divisors is an integer number (6210582).

Almost surely, 2^12421163 is an apocalyptic number.

12421163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421163 is an equidigital number, since it uses as much as digits as its factorization.

12421163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 12421163 is about 3524.3670353696. The cubic root of 12421163 is about 231.5905070866.

Adding to 12421163 its reverse (36112421), we get a palindrome (48533584).

The spelling of 12421163 in words is "twelve million, four hundred twenty-one thousand, one hundred sixty-three".