Base | Representation |
---|---|
bin | 110000110111… |
… | …001001011101 |
3 | 220002202100220 |
4 | 300313021131 |
5 | 11234340142 |
6 | 1134311553 |
7 | 213605301 |
oct | 60671135 |
9 | 26082326 |
10 | 12808797 |
11 | 7259491 |
12 | 43585b9 |
13 | 2866191 |
14 | 19b5d01 |
15 | 11d02ec |
hex | c3725d |
12808797 has 16 divisors (see below), whose sum is σ = 18044928. Its totient is φ = 8069040.
The previous prime is 12808777. The next prime is 12808801. The reversal of 12808797 is 79780821.
It is not a de Polignac number, because 12808797 - 211 = 12806749 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12808777) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2398 + ... + 5600.
It is an arithmetic number, because the mean of its divisors is an integer number (1127808).
Almost surely, 212808797 is an apocalyptic number.
It is an amenable number.
12808797 is a deficient number, since it is larger than the sum of its proper divisors (5236131).
12808797 is a wasteful number, since it uses less digits than its factorization.
12808797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3280.
The product of its (nonzero) digits is 56448, while the sum is 42.
The square root of 12808797 is about 3578.9379709629. The cubic root of 12808797 is about 233.9749955019.
The spelling of 12808797 in words is "twelve million, eight hundred eight thousand, seven hundred ninety-seven".
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