204712 has 8 divisors (see below), whose sum is σ = 383850. Its totient is φ = 102352.

The previous prime is 204707. The next prime is 204719. The reversal of 204712 is 217402.

It can be written as a sum of positive squares in only one way, i.e., 133956 + 70756 = 366^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (204719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787 + ... + 12802.

2²⁰⁴⁷¹² is an apocalyptic number.

It is an amenable number.

204712 is a deficient number, since it is larger than the sum of its proper divisors (179138).

204712 is a wasteful number, since it uses less digits than its factorization.

204712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595 (or 25591 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 204712 is about 452.4511023304. The cubic root of 204712 is about 58.9360601966.

The spelling of 204712 in words is "two hundred four thousand, seven hundred twelve", and thus it is an iban number.