Base | Representation |
---|---|
bin | 110000101000… |
… | …011110001010 |
3 | 212222200220102 |
4 | 300220132022 |
5 | 11230424212 |
6 | 1133125402 |
7 | 213235112 |
oct | 60503612 |
9 | 25880812 |
10 | 12748682 |
11 | 7218301 |
12 | 4329862 |
13 | 28449cb |
14 | 199c042 |
15 | 11bc5c2 |
hex | c2878a |
12748682 has 4 divisors (see below), whose sum is σ = 19123026. Its totient is φ = 6374340.
The previous prime is 12748679. The next prime is 12748699. The reversal of 12748682 is 28684721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28684721 = 13 ⋅2206517.
It can be written as a sum of positive squares in only one way, i.e., 9066121 + 3682561 = 3011^2 + 1919^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187169 + ... + 3187172.
Almost surely, 212748682 is an apocalyptic number.
12748682 is a deficient number, since it is larger than the sum of its proper divisors (6374344).
12748682 is an equidigital number, since it uses as much as digits as its factorization.
12748682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6374343.
The product of its digits is 43008, while the sum is 38.
The square root of 12748682 is about 3570.5296525866. The cubic root of 12748682 is about 233.6083862982.
The spelling of 12748682 in words is "twelve million, seven hundred forty-eight thousand, six hundred eighty-two".
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