Base | Representation |
---|---|
bin | 110000100100… |
… | …100110001000 |
3 | 212221220010111 |
4 | 300210212020 |
5 | 11224422213 |
6 | 1132524104 |
7 | 213140614 |
oct | 60444610 |
9 | 25856114 |
10 | 12732808 |
11 | 7207390 |
12 | 4320634 |
13 | 283a70a |
14 | 1996344 |
15 | 11b7a3d |
hex | c24988 |
12732808 has 32 divisors (see below), whose sum is σ = 26192160. Its totient is φ = 5754880.
The previous prime is 12732803. The next prime is 12732809. The reversal of 12732808 is 80823721.
It is a self number, because there is not a number n which added to its sum of digits gives 12732808.
It is not an unprimeable number, because it can be changed into a prime (12732803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22335 + ... + 22897.
It is an arithmetic number, because the mean of its divisors is an integer number (818505).
Almost surely, 212732808 is an apocalyptic number.
It is an amenable number.
12732808 is an abundant number, since it is smaller than the sum of its proper divisors (13459352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12732808 is a wasteful number, since it uses less digits than its factorization.
12732808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 837 (or 833 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 12732808 is about 3568.3060406865. The cubic root of 12732808 is about 233.5113869975.
The spelling of 12732808 in words is "twelve million, seven hundred thirty-two thousand, eight hundred eight".
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