Base | Representation |
---|---|
bin | 110000100001… |
… | …011000100000 |
3 | 212221020002002 |
4 | 300201120200 |
5 | 11224012043 |
6 | 1132343132 |
7 | 213054344 |
oct | 60413040 |
9 | 25836062 |
10 | 12719648 |
11 | 71a8507 |
12 | 4314aa8 |
13 | 2834726 |
14 | 1991624 |
15 | 11b3bb8 |
hex | c21620 |
12719648 has 12 divisors (see below), whose sum is σ = 25041870. Its totient is φ = 6359808.
The previous prime is 12719647. The next prime is 12719653. The reversal of 12719648 is 84691721.
It can be written as a sum of positive squares in only one way, i.e., 10837264 + 1882384 = 3292^2 + 1372^2 .
It is not an unprimeable number, because it can be changed into a prime (12719647) by changing a digit.
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 as a sum of consecutive naturals, namely, 198713 + ... + 198776.
Almost surely, 212719648 is an apocalyptic number.
It is an amenable number.
12719648 is a deficient number, since it is larger than the sum of its proper divisors (12322222).
12719648 is an equidigital number, since it uses as much as digits as its factorization.
12719648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397499 (or 397491 counting only the distinct ones).
The product of its digits is 24192, while the sum is 38.
The square root of 12719648 is about 3566.4615517344. The cubic root of 12719648 is about 233.4309106625.
The spelling of 12719648 in words is "twelve million, seven hundred nineteen thousand, six hundred forty-eight".
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