Base | Representation |
---|---|
bin | 110000100100… |
… | …100110011100 |
3 | 212221220011020 |
4 | 300210212130 |
5 | 11224422303 |
6 | 1132524140 |
7 | 213140643 |
oct | 60444634 |
9 | 25856136 |
10 | 12732828 |
11 | 72073a9 |
12 | 4320650 |
13 | 283a724 |
14 | 199635a |
15 | 11b7a53 |
hex | c2499c |
12732828 has 12 divisors (see below), whose sum is σ = 29709960. Its totient is φ = 4244272.
The previous prime is 12732821. The next prime is 12732829. The reversal of 12732828 is 82823721.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12732821) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530523 + ... + 530546.
It is an arithmetic number, because the mean of its divisors is an integer number (2475830).
Almost surely, 212732828 is an apocalyptic number.
It is an amenable number.
12732828 is an abundant number, since it is smaller than the sum of its proper divisors (16977132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12732828 is a wasteful number, since it uses less digits than its factorization.
12732828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1061076 (or 1061074 counting only the distinct ones).
The product of its digits is 10752, while the sum is 33.
The square root of 12732828 is about 3568.3088431356. The cubic root of 12732828 is about 233.5115092597.
The spelling of 12732828 in words is "twelve million, seven hundred thirty-two thousand, eight hundred twenty-eight".
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