Base | Representation |
---|---|
bin | 110001011111… |
… | …001001000000 |
3 | 220102002001222 |
4 | 301133021000 |
5 | 11310110413 |
6 | 1142014212 |
7 | 215160005 |
oct | 61371100 |
9 | 26362058 |
10 | 12972608 |
11 | 7360570 |
12 | 4417368 |
13 | 28c28cc |
14 | 1a198ac |
15 | 1213b08 |
hex | c5f240 |
12972608 has 28 divisors (see below), whose sum is σ = 28084272. Its totient is φ = 5896320.
The previous prime is 12972587. The next prime is 12972613. The reversal of 12972608 is 80627921.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510 + ... + 9917.
Almost surely, 212972608 is an apocalyptic number.
It is an amenable number.
12972608 is an abundant number, since it is smaller than the sum of its proper divisors (15111664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12972608 is a wasteful number, since it uses less digits than its factorization.
12972608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18450 (or 18440 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 12972608 is about 3601.7506854306. The cubic root of 12972608 is about 234.9682045409.
The spelling of 12972608 in words is "twelve million, nine hundred seventy-two thousand, six hundred eight".
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