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12803171 is a prime number
BaseRepresentation
bin110000110101…
…110001100011
3220002110122112
4300311301203
511234200141
61134225535
7213553013
oct60656143
926073575
1012803171
117255237
1243552ab
132863754
1419b3c43
1511cd7eb
hexc35c63

12803171 has 2 divisors, whose sum is σ = 12803172. Its totient is φ = 12803170.

The previous prime is 12803137. The next prime is 12803173. The reversal of 12803171 is 17130821.

It is a happy number.

12803171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17130821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12803171 - 210 = 12802147 is a prime.

Together with 12803173, 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 (12803173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401585 + 6401586.

It is an arithmetic number, because the mean of its divisors is an integer number (6401586).

Almost surely, 212803171 is an apocalyptic number.

12803171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803171 is an equidigital number, since it uses as much as digits as its factorization.

12803171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12803171 is about 3578.1518972788. The cubic root of 12803171 is about 233.9407342543.

Adding to 12803171 its reverse (17130821), we get a palindrome (29933992).

The spelling of 12803171 in words is "twelve million, eight hundred three thousand, one hundred seventy-one".