Base | Representation |
---|---|
bin | 110000011001… |
… | …000010100000 |
3 | 212212111012022 |
4 | 300121002200 |
5 | 11221413342 |
6 | 1131521012 |
7 | 212552612 |
oct | 60310240 |
9 | 25774168 |
10 | 12685472 |
11 | 7184868 |
12 | 42b9168 |
13 | 2821cc7 |
14 | 1982db2 |
15 | 11a89d2 |
hex | c190a0 |
12685472 has 24 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 6234304.
The previous prime is 12685459. The next prime is 12685481. The reversal of 12685472 is 27458621.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472 + ... + 5247.
It is an arithmetic number, because the mean of its divisors is an integer number (1058400).
Almost surely, 212685472 is an apocalyptic number.
It is an amenable number.
12685472 is an abundant number, since it is smaller than the sum of its proper divisors (12716128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12685472 is an equidigital number, since it uses as much as digits as its factorization.
12685472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6788 (or 6780 counting only the distinct ones).
The product of its digits is 26880, while the sum is 35.
The square root of 12685472 is about 3561.6670254250. The cubic root of 12685472 is about 233.2216572166.
The spelling of 12685472 in words is "twelve million, six hundred eighty-five thousand, four hundred seventy-two".
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