Base | Representation |
---|---|
bin | 110001010100… |
… | …011011001001 |
3 | 220022211212020 |
4 | 301110123021 |
5 | 11302204323 |
6 | 1141035053 |
7 | 214615020 |
oct | 61243311 |
9 | 26284766 |
10 | 12928713 |
11 | 7330596 |
12 | 43b5a89 |
13 | 28a8935 |
14 | 1a078b7 |
15 | 1205ae3 |
hex | c546c9 |
12928713 has 16 divisors (see below), whose sum is σ = 20121600. Its totient is φ = 7230096.
The previous prime is 12928711. The next prime is 12928717. The reversal of 12928713 is 31782921.
It is not a de Polignac number, because 12928713 - 21 = 12928711 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12928711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5563 + ... + 7536.
It is an arithmetic number, because the mean of its divisors is an integer number (1257600).
Almost surely, 212928713 is an apocalyptic number.
It is an amenable number.
12928713 is a deficient number, since it is larger than the sum of its proper divisors (7192887).
12928713 is a wasteful number, since it uses less digits than its factorization.
12928713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13156.
The product of its digits is 6048, while the sum is 33.
The square root of 12928713 is about 3595.6519575732. The cubic root of 12928713 is about 234.7028869263.
The spelling of 12928713 in words is "twelve million, nine hundred twenty-eight thousand, seven hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •