Base | Representation |
---|---|
bin | 110001001000… |
… | …110001000100 |
3 | 220020102100202 |
4 | 301020301010 |
5 | 11244142324 |
6 | 1140030032 |
7 | 214325555 |
oct | 61106104 |
9 | 26212322 |
10 | 12880964 |
11 | 72a8728 |
12 | 4392318 |
13 | 288cc95 |
14 | 19d432c |
15 | 11e68ae |
hex | c48c44 |
12880964 has 12 divisors (see below), whose sum is σ = 22567104. Its totient is φ = 6433224.
The previous prime is 12880949. The next prime is 12880979. The reversal of 12880964 is 46908821.
It is an interprime number because it is at equal distance from previous prime (12880949) and next prime (12880979).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129 + ... + 7215.
It is an arithmetic number, because the mean of its divisors is an integer number (1880592).
Almost surely, 212880964 is an apocalyptic number.
It is an amenable number.
12880964 is a deficient number, since it is larger than the sum of its proper divisors (9686140).
12880964 is a wasteful number, since it uses less digits than its factorization.
12880964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3634 (or 3632 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 12880964 is about 3589.0059905216. The cubic root of 12880964 is about 234.4135914883.
The spelling of 12880964 in words is "twelve million, eight hundred eighty thousand, nine hundred sixty-four".
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