Base | Representation |
---|---|
bin | 110001001111… |
… | …010011110000 |
3 | 220021210010012 |
4 | 301033103300 |
5 | 11301022020 |
6 | 1140354052 |
7 | 214466645 |
oct | 61172360 |
9 | 26253105 |
10 | 12907760 |
11 | 7316878 |
12 | 43a5928 |
13 | 289c238 |
14 | 19dddcc |
15 | 11ee7c5 |
hex | c4f4f0 |
12907760 has 40 divisors (see below), whose sum is σ = 31779216. Its totient is φ = 4858880.
The previous prime is 12907753. The next prime is 12907771. The reversal of 12907760 is 6770921.
12907760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×129077602 = 333220536435200, which contains 22 as substring.
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, 3386 + ... + 6105.
Almost surely, 212907760 is an apocalyptic number.
12907760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12907760 is an abundant number, since it is smaller than the sum of its proper divisors (18871456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12907760 is a wasteful number, since it uses less digits than its factorization.
12907760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9521 (or 9515 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 32.
The square root of 12907760 is about 3592.7371181315. The cubic root of 12907760 is about 234.5760274667.
The spelling of 12907760 in words is "twelve million, nine hundred seven thousand, seven hundred sixty".
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