Base | Representation |
---|---|
bin | 101111010000… |
… | …110111110011 |
3 | 212022110201021 |
4 | 233100313303 |
5 | 11132434000 |
6 | 1121320311 |
7 | 210212041 |
oct | 57206763 |
9 | 25273637 |
10 | 12389875 |
11 | 6aa2773 |
12 | 4196097 |
13 | 274a5b4 |
14 | 1907391 |
15 | 114b11a |
hex | bd0df3 |
12389875 has 8 divisors (see below), whose sum is σ = 15462720. Its totient is φ = 9911800.
The previous prime is 12389833. The next prime is 12389879. The reversal of 12389875 is 57898321.
It is not a de Polignac number, because 12389875 - 27 = 12389747 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12389879) 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, 49435 + ... + 49684.
It is an arithmetic number, because the mean of its divisors is an integer number (1932840).
Almost surely, 212389875 is an apocalyptic number.
12389875 is a deficient number, since it is larger than the sum of its proper divisors (3072845).
12389875 is an frugal number, since it uses more digits than its factorization.
12389875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99134 (or 99124 counting only the distinct ones).
The product of its digits is 120960, while the sum is 43.
The square root of 12389875 is about 3519.9254253464. The cubic root of 12389875 is about 231.3958904106.
It can be divided in two parts, 123 and 89875, that added together give a palindrome (89998).
The spelling of 12389875 in words is "twelve million, three hundred eighty-nine thousand, eight hundred seventy-five".
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