If customers get a full-priced dozen doughnuts, they can grab 12 original glazed doughnuts for just 13 cents. Krispy Kreme will have a special to celebrate Friday, the 13th. If customers get a full-priced dozen doughnuts, they can grab 12 original glazed doughnuts for just 13 cents. To get this deal, you must use the promo code “13” when ordering. Customers can order their treats in-store or online