17130681 has 6 divisors (see below), whose sum is σ = 24744330. Its totient is φ = 11420448.

The previous prime is 17130643. The next prime is 17130689. The reversal of 17130681 is 18603171.

It can be written as a sum of positive squares in only one way, i.e., 16941456 + 189225 = 4116^2 + 435^2 .

It is not a de Polignac number, because 17130681 - 2¹⁰ = 17129657 is a prime.

It is a super-2 number, since 2×17130681² = 586920463047522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17130689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 951696 + ... + 951713.

It is an arithmetic number, because the mean of its divisors is an integer number (4124055).

Almost surely, 2^17130681 is an apocalyptic number.

It is an amenable number.

17130681 is a deficient number, since it is larger than the sum of its proper divisors (7613649).

17130681 is a wasteful number, since it uses less digits than its factorization.

17130681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903415 (or 1903412 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 17130681 is about 4138.9226859172. The cubic root of 17130681 is about 257.7853361353.

The spelling of 17130681 in words is "seventeen million, one hundred thirty thousand, six hundred eighty-one".