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12811163 is a prime number
BaseRepresentation
bin110000110111…
…101110011011
3220002212121112
4300313232123
511234424123
61134330535
7213615221
oct60675633
926085545
1012811163
117260242
124359a4b
132867291
1419b6b11
1511d0d78
hexc37b9b

12811163 has 2 divisors, whose sum is σ = 12811164. Its totient is φ = 12811162.

The previous prime is 12811157. The next prime is 12811177. The reversal of 12811163 is 36111821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12811163 - 216 = 12745627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12811103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405581 + 6405582.

It is an arithmetic number, because the mean of its divisors is an integer number (6405582).

Almost surely, 212811163 is an apocalyptic number.

12811163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12811163 is an equidigital number, since it uses as much as digits as its factorization.

12811163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 23.

The square root of 12811163 is about 3579.2685006856. The cubic root of 12811163 is about 233.9894009858.

Adding to 12811163 its reverse (36111821), we get a palindrome (48922984).

The spelling of 12811163 in words is "twelve million, eight hundred eleven thousand, one hundred sixty-three".