Base | Representation |
---|---|
bin | 110000100100… |
… | …001000011100 |
3 | 212221210112010 |
4 | 300210020130 |
5 | 11224342113 |
6 | 1132511220 |
7 | 213132231 |
oct | 60441034 |
9 | 25853463 |
10 | 12730908 |
11 | 7205a13 |
12 | 431b510 |
13 | 28398a8 |
14 | 1995788 |
15 | 11b71c3 |
hex | c2421c |
12730908 has 24 divisors (see below), whose sum is σ = 30114448. Its totient is φ = 4185216.
The previous prime is 12730889. The next prime is 12730933. The reversal of 12730908 is 80903721.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6391 + ... + 8142.
Almost surely, 212730908 is an apocalyptic number.
It is an amenable number.
12730908 is an abundant number, since it is smaller than the sum of its proper divisors (17383540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12730908 is a wasteful number, since it uses less digits than its factorization.
12730908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14613 (or 14611 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 12730908 is about 3568.0397979843. The cubic root of 12730908 is about 233.4997714998.
The spelling of 12730908 in words is "twelve million, seven hundred thirty thousand, nine hundred eight".
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