12808 has 8 divisors (see below), whose sum is σ = 24030. Its totient is φ = 6400.

The previous prime is 12799. The next prime is 12809. The reversal of 12808 is 80821.

It is a happy number.

12808 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 6724 + 6084 = 82^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12809) by changing a digit.

12808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793 + ... + 808.

2¹²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

12808 is a deficient number, since it is larger than the sum of its proper divisors (11222).

12808 is a wasteful number, since it uses less digits than its factorization.

12808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12808 is about 113.1724348064. The cubic root of 12808 is about 23.3970142537.

It can be divided in two parts, 12 and 808, that added together give a triangular number (820 = T₄₀).

The spelling of 12808 in words is "twelve thousand, eight hundred eight".