English edit

English numbers (edit)
 ←  12 13 14  → 
    Cardinal: thirteen
    Ordinal: thirteenth
    Adverbial: thirteen times
    Multiplier: thirteenfold
    Group collective: thirteensome

Etymology edit

thirteen +‎ -fold

Adjective edit

thirteenfold (not comparable)

  1. By a factor of thirteen, tredecuple.

Adverb edit

thirteenfold (not comparable)

  1. By a factor of thirteen.