Base | Representation |
---|---|
bin | 110001000110… |
… | …110010001111 |
3 | 220020000020010 |
4 | 301012302033 |
5 | 11243412342 |
6 | 1135524303 |
7 | 214263111 |
oct | 61066217 |
9 | 26200203 |
10 | 12872847 |
11 | 72a2619 |
12 | 4389693 |
13 | 2889390 |
14 | 19d13b1 |
15 | 11e429c |
hex | c46c8f |
12872847 has 32 divisors (see below), whose sum is σ = 19611648. Its totient is φ = 7451136.
The previous prime is 12872833. The next prime is 12872863. The reversal of 12872847 is 74827821.
12872847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12872847 - 24 = 12872831 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12872807) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101298 + ... + 101424.
It is an arithmetic number, because the mean of its divisors is an integer number (612864).
Almost surely, 212872847 is an apocalyptic number.
12872847 is a deficient number, since it is larger than the sum of its proper divisors (6738801).
12872847 is a wasteful number, since it uses less digits than its factorization.
12872847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279.
The product of its digits is 50176, while the sum is 39.
The square root of 12872847 is about 3587.8749978225. The cubic root of 12872847 is about 234.3643421998.
The spelling of 12872847 in words is "twelve million, eight hundred seventy-two thousand, eight hundred forty-seven".
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