Base | Representation |
---|---|
bin | 110000100110… |
… | …110100001011 |
3 | 212222100121012 |
4 | 300212310023 |
5 | 11230220044 |
6 | 1133034135 |
7 | 213206252 |
oct | 60466413 |
9 | 25870535 |
10 | 12741899 |
11 | 72131a5 |
12 | 432594b |
13 | 28418b1 |
14 | 1999799 |
15 | 11ba59e |
hex | c26d0b |
12741899 has 6 divisors (see below), whose sum is σ = 13167180. Its totient is φ = 12329940.
The previous prime is 12741887. The next prime is 12741907. The reversal of 12741899 is 99814721.
It is a de Polignac number, because none of the positive numbers 2k-12741899 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12741829) 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, 5669 + ... + 7590.
It is an arithmetic number, because the mean of its divisors is an integer number (2194530).
Almost surely, 212741899 is an apocalyptic number.
12741899 is a deficient number, since it is larger than the sum of its proper divisors (425281).
12741899 is an equidigital number, since it uses as much as digits as its factorization.
12741899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13321 (or 13290 counting only the distinct ones).
The product of its digits is 36288, while the sum is 41.
The square root of 12741899 is about 3569.5796671317. The cubic root of 12741899 is about 233.5669481115.
The spelling of 12741899 in words is "twelve million, seven hundred forty-one thousand, eight hundred ninety-nine".
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