Base | Representation |
---|---|
bin | 110001001101… |
… | …000100000000 |
3 | 220021022111110 |
4 | 301031010000 |
5 | 11300223220 |
6 | 1140243320 |
7 | 214431063 |
oct | 61150400 |
9 | 26238443 |
10 | 12898560 |
11 | 730a974 |
12 | 43a0540 |
13 | 2897cac |
14 | 19da8da |
15 | 11ebbe0 |
hex | c4d100 |
12898560 has 72 divisors (see below), whose sum is σ = 41207040. Its totient is φ = 3438592.
The previous prime is 12898553. The next prime is 12898619. The reversal of 12898560 is 6589821.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161 + ... + 5519.
It is an arithmetic number, because the mean of its divisors is an integer number (572320).
Almost surely, 212898560 is an apocalyptic number.
12898560 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 12898560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20603520).
12898560 is an abundant number, since it is smaller than the sum of its proper divisors (28308480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12898560 is an equidigital number, since it uses as much as digits as its factorization.
12898560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3383 (or 3369 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 12898560 is about 3591.4565290422. The cubic root of 12898560 is about 234.5202829021.
The spelling of 12898560 in words is "twelve million, eight hundred ninety-eight thousand, five hundred sixty".
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