17130320 has 20 divisors (see below), whose sum is σ = 39828180. Its totient is φ = 6852096.

The previous prime is 17130313. The next prime is 17130341. The reversal of 17130320 is 2303171.

It can be written as a sum of positive squares in 2 ways, for example, as 2446096 + 14684224 = 1564^2 + 3832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×17130320⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106985 + ... + 107144.

It is an arithmetic number, because the mean of its divisors is an integer number (1991409).

Almost surely, 2^17130320 is an apocalyptic number.

17130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17130320 is an abundant number, since it is smaller than the sum of its proper divisors (22697860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17130320 is a wasteful number, since it uses less digits than its factorization.

17130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214142 (or 214136 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 17130320 is about 4138.8790753053. The cubic root of 17130320 is about 257.7835253266.

Adding to 17130320 its reverse (2303171), we get a palindrome (19433491).

The spelling of 17130320 in words is "seventeen million, one hundred thirty thousand, three hundred twenty".