Base | Representation |
---|---|
bin | 110001011111… |
… | …111110001101 |
3 | 220102020202002 |
4 | 301133332031 |
5 | 11310213023 |
6 | 1142042045 |
7 | 215202641 |
oct | 61377615 |
9 | 26366662 |
10 | 12976013 |
11 | 7363086 |
12 | 4419325 |
13 | 28c431b |
14 | 1a1ac21 |
15 | 1214b28 |
hex | c5ff8d |
12976013 has 2 divisors, whose sum is σ = 12976014. Its totient is φ = 12976012.
The previous prime is 12976009. The next prime is 12976037. The reversal of 12976013 is 31067921.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8988004 + 3988009 = 2998^2 + 1997^2 .
It is a cyclic number.
It is not a de Polignac number, because 12976013 - 22 = 12976009 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12976063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488006 + 6488007.
It is an arithmetic number, because the mean of its divisors is an integer number (6488007).
Almost surely, 212976013 is an apocalyptic number.
It is an amenable number.
12976013 is a deficient number, since it is larger than the sum of its proper divisors (1).
12976013 is an equidigital number, since it uses as much as digits as its factorization.
12976013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 12976013 is about 3602.2233412158. The cubic root of 12976013 is about 234.9887605912.
The spelling of 12976013 in words is "twelve million, nine hundred seventy-six thousand, thirteen".
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