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13082317 = 19688543
BaseRepresentation
bin110001111001…
…111011001101
3220121122120021
4301321323031
511322113232
61144222141
7216124603
oct61717315
926548507
1013082317
117425a36
12446a951
132930821
141a47873
151236397
hexc79ecd

13082317 has 4 divisors (see below), whose sum is σ = 13770880. Its totient is φ = 12393756.

The previous prime is 13082297. The next prime is 13082323. The reversal of 13082317 is 71328031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13082317 - 27 = 13082189 is a prime.

It is a super-2 number, since 2×130823172 = 342294036176978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13082291 and 13082300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13082357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344253 + ... + 344290.

It is an arithmetic number, because the mean of its divisors is an integer number (3442720).

Almost surely, 213082317 is an apocalyptic number.

It is an amenable number.

13082317 is a deficient number, since it is larger than the sum of its proper divisors (688563).

13082317 is an equidigital number, since it uses as much as digits as its factorization.

13082317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688562.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 13082317 is about 3616.9485758025. The cubic root of 13082317 is about 235.6287193206.

The spelling of 13082317 in words is "thirteen million, eighty-two thousand, three hundred seventeen".

Divisors: 1 19 688543 13082317