208713 has 8 divisors (see below), whose sum is σ = 288000. Its totient is φ = 134288.

The previous prime is 208699. The next prime is 208721. The reversal of 208713 is 317802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208713 - 2⁴ = 208697 is a prime.

It is a super-2 number, since 2×208713² = 87122232738, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 208713.

It is not an unprimeable number, because it can be changed into a prime (208213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2²⁰⁸⁷¹³ is an apocalyptic number.

It is an amenable number.

208713 is a deficient number, since it is larger than the sum of its proper divisors (79287).

208713 is a wasteful number, since it uses less digits than its factorization.

208713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 208713 is about 456.8511792696. The cubic root of 208713 is about 59.3175447898.

The spelling of 208713 in words is "two hundred eight thousand, seven hundred thirteen".