Search a number
-
+
12802 = 237173
BaseRepresentation
bin11001000000010
3122120011
43020002
5402202
6135134
752216
oct31002
918504
1012802
119689
1274aa
135a9a
144946
153bd7
hex3202

12802 has 8 divisors (see below), whose sum is σ = 19836. Its totient is φ = 6192.

The previous prime is 12799. The next prime is 12809. The reversal of 12802 is 20821.

12802 = T78 + T79 + ... + T81.

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 2601 = 101^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12809) 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, 13 + ... + 160.

12802 is a Friedman number, since it can be written as 2*(80^2+1), using all its digits and the basic arithmetic operations.

212802 is an apocalyptic number.

12802 is a deficient number, since it is larger than the sum of its proper divisors (7034).

12802 is a wasteful number, since it uses less digits than its factorization.

12802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12802 is about 113.1459234794. The cubic root of 12802 is about 23.3933601830.

The spelling of 12802 in words is "twelve thousand, eight hundred two".

Divisors: 1 2 37 74 173 346 6401 12802