13 is an odd number and also a Prime number
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An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 13 is an odd number.
odd
To add to 13 with 2 even and 1 odd number, can do 1+4+8=13
Lets find out.2 + 3 = 5 (Odd)4 + 7 = 11 (Odd)12 + 13 = 25 (Odd)So it appears that the sum of an even and odd number is an odd number.
Count how many of the numbers are odd. If an odd number of them are odd, then their sum is odd. If an even number of them are odd, then their sum is even.