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12663143 is a prime number
BaseRepresentation
bin110000010011…
…100101100111
3212211100120022
4300103211213
511220210033
61131225355
7212430533
oct60234547
925740508
1012663143
11716a009
1242a825b
132814aac
141978bc3
1511a2098
hexc13967

12663143 has 2 divisors, whose sum is σ = 12663144. Its totient is φ = 12663142.

The previous prime is 12663127. The next prime is 12663191. The reversal of 12663143 is 34136621.

12663143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34136621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12663143 - 24 = 12663127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12663193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331571 + 6331572.

It is an arithmetic number, because the mean of its divisors is an integer number (6331572).

Almost surely, 212663143 is an apocalyptic number.

12663143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663143 is an equidigital number, since it uses as much as digits as its factorization.

12663143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 12663143 is about 3558.5310171474. The cubic root of 12663143 is about 233.0847377322.

Adding to 12663143 its reverse (34136621), we get a palindrome (46799764).

The spelling of 12663143 in words is "twelve million, six hundred sixty-three thousand, one hundred forty-three".