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BaseRepresentation
bin11000111111111
3122120001
43013333
5402144
6135131
752213
oct30777
918501
1012799
119686
1274a7
135a97
144943
153bd4
hex31ff

12799 has 2 divisors, whose sum is σ = 12800. Its totient is φ = 12798.

The previous prime is 12791. The next prime is 12809. The reversal of 12799 is 99721.

It can be divided in two parts, 1279 and 9, that multiplied together give a palindrome (11511).

12799 is digitally balanced in base 3, 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 (99721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12799 - 23 = 12791 is a prime.

12799 is a lucky number.

It is a plaindrome in base 10.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399 + 6400.

It is an arithmetic number, because the mean of its divisors is an integer number (6400).

212799 is an apocalyptic number.

12799 is a deficient number, since it is larger than the sum of its proper divisors (1).

12799 is an equidigital number, since it uses as much as digits as its factorization.

12799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 28.

The square root of 12799 is about 113.1326654861. The cubic root of 12799 is about 23.3915327195.

The spelling of 12799 in words is "twelve thousand, seven hundred ninety-nine".