Writing numbers that way is common in various languages. For example, every day on the Polish news the number of newly detected COVID cases is written in the format "13 tys. 574", where "tys." is the abbreviation for “thousand”.
As native-English-speaking academics have become a minority of those publishing in international journals (and fewer journals are doing serious copyediting anyway), there seems to be more and more toleration in science of different ways of writing things based on the author’s own native language.
As native-English-speaking academics have become a minority of those publishing in international journals (and fewer journals are doing serious copyediting anyway), there seems to be more and more toleration in science of different ways of writing things based on the author’s own native language.