Base | Representation |
---|---|
bin | 110000011001… |
… | …011000111100 |
3 | 212212120011111 |
4 | 300121120330 |
5 | 11221440113 |
6 | 1131531404 |
7 | 212560033 |
oct | 60313074 |
9 | 25776144 |
10 | 12686908 |
11 | 7185953 |
12 | 42b9b64 |
13 | 2822860 |
14 | 198371a |
15 | 11a913d |
hex | c1963c |
12686908 has 24 divisors (see below), whose sum is σ = 25170320. Its totient is φ = 5546880.
The previous prime is 12686897. The next prime is 12686909. The reversal of 12686908 is 80968621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12686909) 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 7 ways as a sum of consecutive naturals, for example, 5433 + ... + 7408.
Almost surely, 212686908 is an apocalyptic number.
It is an amenable number.
12686908 is a deficient number, since it is larger than the sum of its proper divisors (12483412).
12686908 is a wasteful number, since it uses less digits than its factorization.
12686908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12877 (or 12875 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 12686908 is about 3561.8686107154. The cubic root of 12686908 is about 233.2304571431.
The spelling of 12686908 in words is "twelve million, six hundred eighty-six thousand, nine hundred eight".
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