·Reported
The gift-givers number thirteen when Alcinous is counted with the twelve Phaeacian chiefs.
See evidence text
“There are twelve chief men among you, and counting myself there are thirteen; contribute, each of you, a clean cloak, a shirt, and a talent of fine gold; let us give him all this in a lump down at once, so that when he gets his supper he may do so with a light heart.”