16817013 has 12 divisors (see below), whose sum is σ = 25129260. Its totient is φ = 10824576.

The previous prime is 16816997. The next prime is 16817027. The reversal of 16817013 is 31071861.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 8625969 = 2862^2 + 2937^2 .

It is not a de Polignac number, because 16817013 - 2⁴ = 16816997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16817113) 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 11 ways as a sum of consecutive naturals, for example, 31956 + ... + 32477.

It is an arithmetic number, because the mean of its divisors is an integer number (2094105).

Almost surely, 2^16817013 is an apocalyptic number.

It is an amenable number.

16817013 is a deficient number, since it is larger than the sum of its proper divisors (8312247).

16817013 is a wasteful number, since it uses less digits than its factorization.

16817013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64468 (or 64465 counting only the distinct ones).

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

The square root of 16817013 is about 4100.8551547208. The cubic root of 16817013 is about 256.2022581690.

Adding to 16817013 its reverse (31071861), we get a palindrome (47888874).

The spelling of 16817013 in words is "sixteen million, eight hundred seventeen thousand, thirteen".