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12676 = 223169
BaseRepresentation
bin11000110000100
3122101111
43012010
5401201
6134404
751646
oct30604
918344
1012676
119584
127404
135a01
144896
153b51
hex3184

12676 has 6 divisors (see below), whose sum is σ = 22190. Its totient is φ = 6336.

The previous prime is 12671. The next prime is 12689. The reversal of 12676 is 67621.

It can be written as a sum of positive squares in only one way, i.e., 12100 + 576 = 110^2 + 24^2 .

It is not an unprimeable number, because it can be changed into a prime (12671) by changing a digit.

12676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581 + ... + 1588.

212676 is an apocalyptic number.

It is an amenable number.

12676 is a deficient number, since it is larger than the sum of its proper divisors (9514).

12676 is a wasteful number, since it uses less digits than its factorization.

12676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3171 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 12676 is about 112.5877435603. The cubic root of 12676 is about 23.3163595375.

Multiplying 12676 by its sum of digits (22), we get a palindrome (278872).

Subtracting 12676 from its reverse (67621), we obtain a palindrome (54945).

It can be divided in two parts, 126 and 76, that added together give a palindrome (202).

The spelling of 12676 in words is "twelve thousand, six hundred seventy-six".

Divisors: 1 2 4 3169 6338 12676