Base | Representation |
---|---|
bin | 110000110101… |
… | …010000110011 |
3 | 220002100202220 |
4 | 300311100303 |
5 | 11234113300 |
6 | 1134212123 |
7 | 213543630 |
oct | 60652063 |
9 | 26070686 |
10 | 12801075 |
11 | 7253701 |
12 | 4354043 |
13 | 2862801 |
14 | 19b3187 |
15 | 11ccda0 |
hex | c35433 |
12801075 has 48 divisors (see below), whose sum is σ = 24879360. Its totient is φ = 5685120.
The previous prime is 12801067. The next prime is 12801083. The reversal of 12801075 is 57010821.
It is an interprime number because it is at equal distance from previous prime (12801067) and next prime (12801083).
It is not a de Polignac number, because 12801075 - 23 = 12801067 is a prime.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 19096 + ... + 19754.
It is an arithmetic number, because the mean of its divisors is an integer number (518320).
Almost surely, 212801075 is an apocalyptic number.
12801075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12801075 is a deficient number, since it is larger than the sum of its proper divisors (12078285).
12801075 is a wasteful number, since it uses less digits than its factorization.
12801075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 716 (or 711 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 12801075 is about 3577.8589966627. The cubic root of 12801075 is about 233.9279674551.
Adding to 12801075 its reverse (57010821), we get a palindrome (69811896).
The spelling of 12801075 in words is "twelve million, eight hundred one thousand, seventy-five".
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