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12793 = 111163
BaseRepresentation
bin11000111111001
3122112211
43013321
5402133
6135121
752204
oct30771
918484
1012793
119680
1274a1
135a91
14493b
153bcd
hex31f9

12793 has 4 divisors (see below), whose sum is σ = 13968. Its totient is φ = 11620.

The previous prime is 12791. The next prime is 12799. The reversal of 12793 is 39721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12793 - 21 = 12791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (3492).

212793 is an apocalyptic number.

It is an amenable number.

12793 is a deficient number, since it is larger than the sum of its proper divisors (1175).

12793 is a wasteful number, since it uses less digits than its factorization.

12793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its digits is 378, while the sum is 22.

The square root of 12793 is about 113.1061448375. The cubic root of 12793 is about 23.3878769356.

It can be divided in two parts, 127 and 93, that multiplied together give a palindrome (11811).

The spelling of 12793 in words is "twelve thousand, seven hundred ninety-three".

Divisors: 1 11 1163 12793