Thirteen
ʃloʃa eseʁ
In Hebrew שלושה עשר
Thirteen is used in Hebrew as a standard number.
Example
"אני בן שלוש עשרה (Ani ben shlosh esreh - I am thirteen years old - for a male) / אני בת שלוש עשרה (Ani bat shlosh esreh - I am thirteen years old - for a female)."