Base | Representation |
---|---|
bin | 110001100001… |
… | …001010010011 |
3 | 220102111102110 |
4 | 301201022103 |
5 | 11310342013 |
6 | 1142120403 |
7 | 215223066 |
oct | 61411223 |
9 | 26374373 |
10 | 12980883 |
11 | 7366803 |
12 | 4420103 |
13 | 28c65c6 |
14 | 1a1c8dd |
15 | 12162c3 |
hex | c61293 |
12980883 has 16 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 8268960.
The previous prime is 12980879. The next prime is 12980899. The reversal of 12980883 is 38808921.
It is not a de Polignac number, because 12980883 - 22 = 12980879 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12980873) 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, 4993 + ... + 7133.
It is an arithmetic number, because the mean of its divisors is an integer number (1130976).
Almost surely, 212980883 is an apocalyptic number.
12980883 is a deficient number, since it is larger than the sum of its proper divisors (5114733).
12980883 is a wasteful number, since it uses less digits than its factorization.
12980883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2234.
The product of its (nonzero) digits is 27648, while the sum is 39.
The square root of 12980883 is about 3602.8992492158. The cubic root of 12980883 is about 235.0181546258.
The spelling of 12980883 in words is "twelve million, nine hundred eighty thousand, eight hundred eighty-three".
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