13958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
13958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
213958 is an apocalyptic number.
13958 is an equidigital number, since it uses as much as digits as its factorization.
13958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006.
The square root of 13958 is about 118.1439799567. The cubic root of 13958 is about 24.0772970774.
The spelling of 13958 in words is "thirteen thousand, nine hundred fifty-eight".