Base | Representation |
---|---|
bin | 110001000100… |
… | …110010111100 |
3 | 220012121001101 |
4 | 301010302330 |
5 | 11243132300 |
6 | 1135422444 |
7 | 214230262 |
oct | 61046274 |
9 | 26177041 |
10 | 12864700 |
11 | 7297492 |
12 | 4384a24 |
13 | 2885764 |
14 | 19cc432 |
15 | 11e1b6a |
hex | c44cbc |
12864700 has 36 divisors (see below), whose sum is σ = 28210000. Its totient is φ = 5091840.
The previous prime is 12864679. The next prime is 12864701. The reversal of 12864700 is 746821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12864701) 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 11 ways as a sum of consecutive naturals, for example, 9676 + ... + 10924.
Almost surely, 212864700 is an apocalyptic number.
12864700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12864700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14105000).
12864700 is an abundant number, since it is smaller than the sum of its proper divisors (15345300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12864700 is a wasteful number, since it uses less digits than its factorization.
12864700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1366 (or 1359 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 12864700 is about 3586.7394664235. The cubic root of 12864700 is about 234.3148900665.
The spelling of 12864700 in words is "twelve million, eight hundred sixty-four thousand, seven hundred".
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