Base | Representation |
---|---|
bin | 110000101000… |
… | …100010011111 |
3 | 212222201021200 |
4 | 300220202133 |
5 | 11230431314 |
6 | 1133130543 |
7 | 213235656 |
oct | 60504237 |
9 | 25881250 |
10 | 12748959 |
11 | 7218533 |
12 | 4329a53 |
13 | 2844b82 |
14 | 199c19d |
15 | 11bc709 |
hex | c2889f |
12748959 has 6 divisors (see below), whose sum is σ = 18415176. Its totient is φ = 8499300.
The previous prime is 12748937. The next prime is 12748987. The reversal of 12748959 is 95984721.
It is not a de Polignac number, because 12748959 - 29 = 12748447 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12748919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708267 + ... + 708284.
It is an arithmetic number, because the mean of its divisors is an integer number (3069196).
Almost surely, 212748959 is an apocalyptic number.
12748959 is a deficient number, since it is larger than the sum of its proper divisors (5666217).
12748959 is a wasteful number, since it uses less digits than its factorization.
12748959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1416557 (or 1416554 counting only the distinct ones).
The product of its digits is 181440, while the sum is 45.
The square root of 12748959 is about 3570.5684421392. The cubic root of 12748959 is about 233.6100782131.
The spelling of 12748959 in words is "twelve million, seven hundred forty-eight thousand, nine hundred fifty-nine".
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