Base | Representation |
---|---|
bin | 110001000111… |
… | …010111010001 |
3 | 220020010110220 |
4 | 301013113101 |
5 | 11244001332 |
6 | 1135543253 |
7 | 214303035 |
oct | 61072721 |
9 | 26203426 |
10 | 12875217 |
11 | 72a4383 |
12 | 438ab29 |
13 | 288a494 |
14 | 19d21c5 |
15 | 11e4d2c |
hex | c475d1 |
12875217 has 16 divisors (see below), whose sum is σ = 18696000. Its totient is φ = 7850304.
The previous prime is 12875173. The next prime is 12875221. The reversal of 12875217 is 71257821.
12875217 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 12875217 - 219 = 12350929 is a prime.
Its product of digits (7840) is a multiple of the sum of its prime divisors (7840).
It is not an unprimeable number, because it can be changed into a prime (12875287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2242 + ... + 5547.
It is an arithmetic number, because the mean of its divisors is an integer number (1168500).
Almost surely, 212875217 is an apocalyptic number.
It is an amenable number.
12875217 is a deficient number, since it is larger than the sum of its proper divisors (5820783).
12875217 is a wasteful number, since it uses less digits than its factorization.
12875217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7840.
The product of its digits is 7840, while the sum is 33.
The square root of 12875217 is about 3588.2052616872. The cubic root of 12875217 is about 234.3787241364.
The spelling of 12875217 in words is "twelve million, eight hundred seventy-five thousand, two hundred seventeen".
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