Base | Representation |
---|---|
bin | 101110111111… |
… | …001110000000 |
3 | 212011210112020 |
4 | 232333032000 |
5 | 11123130233 |
6 | 1120001440 |
7 | 206461164 |
oct | 56771600 |
9 | 25153466 |
10 | 12317568 |
11 | 6a5340a |
12 | 4160280 |
13 | 2723703 |
14 | 18c8ca4 |
15 | 11349b3 |
hex | bbf380 |
12317568 has 32 divisors (see below), whose sum is σ = 32719560. Its totient is φ = 4105728.
The previous prime is 12317563. The next prime is 12317573. The reversal of 12317568 is 86571321.
It is an interprime number because it is at equal distance from previous prime (12317563) and next prime (12317573).
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12317563) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15655 + ... + 16422.
Almost surely, 212317568 is an apocalyptic number.
It is an amenable number.
12317568 is an abundant number, since it is smaller than the sum of its proper divisors (20401992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12317568 is an equidigital number, since it uses as much as digits as its factorization.
12317568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32094 (or 32082 counting only the distinct ones).
The product of its digits is 10080, while the sum is 33.
The square root of 12317568 is about 3509.6392977057. The cubic root of 12317568 is about 230.9448716856.
Adding to 12317568 its reverse (86571321), we get a palindrome (98888889).
The spelling of 12317568 in words is "twelve million, three hundred seventeen thousand, five hundred sixty-eight".
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