thirteen thousand, five hundred seventy-two
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13,752 in word form is thirteen thousand, seven hundred fifty-two
13,572 in word form is: thirteen thousand, five hundred seventy-two.
Prime numbers can only be odd, so no.
No, by inspection it is even (2 is one of the factors), also by sum of digits, 9 is one of the factors. Either of these is enough to show that it is not prime.
The word form is discrete!