Base | Representation |
---|---|
bin | 110001010111… |
… | …100000010000 |
3 | 220100111011110 |
4 | 301113200100 |
5 | 11303110303 |
6 | 1141213320 |
7 | 214666551 |
oct | 61274020 |
9 | 26314143 |
10 | 12941328 |
11 | 733a014 |
12 | 4401240 |
13 | 28b15ba |
14 | 1a0c328 |
15 | 1209703 |
hex | c57810 |
12941328 has 40 divisors (see below), whose sum is σ = 34069248. Its totient is φ = 4231552.
The previous prime is 12941311. The next prime is 12941339. The reversal of 12941328 is 82314921.
12941328 is a nontrivial binomial coefficient, being equal to C(5088, 2).
It is a junction number, because it is equal to n+sod(n) for n = 12941295 and 12941304.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 5087.
Almost surely, 212941328 is an apocalyptic number.
12941328 is the 5087-th triangular number and also the 2544-th hexagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12941328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17034624).
12941328 is an abundant number, since it is smaller than the sum of its proper divisors (21127920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12941328 is a wasteful number, since it uses less digits than its factorization.
12941328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5151 (or 5145 counting only the distinct ones).
The product of its digits is 3456, while the sum is 30.
The square root of 12941328 is about 3597.4057319129. The cubic root of 12941328 is about 234.7791980658.
The spelling of 12941328 in words is "twelve million, nine hundred forty-one thousand, three hundred twenty-eight".
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