13954 has 4 divisors (see below), whose sum is σ = 20934. Its totient is φ = 6976.
The previous prime is 13933. The next prime is 13963. The reversal of 13954 is 45931.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45931 = 23 ⋅1997.
It can be written as a sum of positive squares in only one way, i.e., 13225 + 729 = 115^2 + 27^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3487 + ... + 3490.
213954 is an apocalyptic number.
13954 is a deficient number, since it is larger than the sum of its proper divisors (6980).
13954 is an equidigital number, since it uses as much as digits as its factorization.
13954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6979.
The product of its digits is 540, while the sum is 22.
The square root of 13954 is about 118.1270502468. The cubic root of 13954 is about 24.0749968819.
The spelling of 13954 in words is "thirteen thousand, nine hundred fifty-four".
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