15716 has 6 divisors (see below), whose sum is σ = 27510.
Its totient is φ = 7856.
The previous prime is 15683. The next prime is 15727. The reversal of 15716 is 61751.
It can be written as a sum of positive squares in only one way, i.e., 10816 + 4900 = 104^2 + 70^2
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961 + ... + 1968.
It is an arithmetic number, because the mean of its divisors is an integer number (4585).
215716 is an apocalyptic number.
It is an amenable number.
15716 is a deficient number, since it is larger than the sum of its proper divisors (11794).
15716 is a wasteful number, since it uses less digits than its factorization.
15716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3933 (or 3931 counting only the distinct ones).
The product of its digits is 210, while the sum is 20.
The square root of 15716 is about 125.3634715537.
The cubic root of 15716 is about 25.0484394176.
The spelling of 15716 in words is "fifteen thousand, seven hundred sixteen".