Base | Representation |
---|---|
bin | 110001001000… |
… | …010011000111 |
3 | 220020022201202 |
4 | 301020103013 |
5 | 11244112142 |
6 | 1140013115 |
7 | 214320146 |
oct | 61102307 |
9 | 26208652 |
10 | 12879047 |
11 | 72a7245 |
12 | 439119b |
13 | 288c14c |
14 | 19d375d |
15 | 11e6032 |
hex | c484c7 |
12879047 has 8 divisors (see below), whose sum is σ = 13689936. Its totient is φ = 12074112.
The previous prime is 12879037. The next prime is 12879049. The reversal of 12879047 is 74097821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12879047 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12879047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12879049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473 + ... + 6149.
It is an arithmetic number, because the mean of its divisors is an integer number (1711242).
Almost surely, 212879047 is an apocalyptic number.
12879047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12879047 is a deficient number, since it is larger than the sum of its proper divisors (810889).
12879047 is a wasteful number, since it uses less digits than its factorization.
12879047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2977.
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 12879047 is about 3588.7389149951. The cubic root of 12879047 is about 234.4019621012.
The spelling of 12879047 in words is "twelve million, eight hundred seventy-nine thousand, forty-seven".
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