17312 has 12 divisors (see below), whose sum is σ = 34146. Its totient is φ = 8640.

The previous prime is 17299. The next prime is 17317. The reversal of 17312 is 21371.

It can be written as a sum of positive squares in only one way, i.e., 15376 + 1936 = 124^2 + 44^2 .

It is not an unprimeable number, because it can be changed into a prime (17317) by changing a digit.

17312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239 + ... + 302.

2¹⁷³¹² is an apocalyptic number.

It is an amenable number.

17312 is a deficient number, since it is larger than the sum of its proper divisors (16834).

17312 is an equidigital number, since it uses as much as digits as its factorization.

17312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its digits is 42, while the sum is 14.

The square root of 17312 is about 131.5750736272. The cubic root of 17312 is about 25.8691652149.

Adding to 17312 its reverse (21371), we get a palindrome (38683).

The spelling of 17312 in words is "seventeen thousand, three hundred twelve", and thus it is an iban number.