Base | Representation |
---|---|
bin | 101101110011… |
… | …000110100101 |
3 | 211120221212011 |
4 | 231303012211 |
5 | 11033141142 |
6 | 1105154221 |
7 | 204022216 |
oct | 55630645 |
9 | 24527764 |
10 | 12005797 |
11 | 6860151 |
12 | 402b971 |
13 | 264482b |
14 | 184740d |
15 | 10c2417 |
hex | b731a5 |
12005797 has 16 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 11043648.
The previous prime is 12005789. The next prime is 12005801. The reversal of 12005797 is 79750021.
It is a cyclic number.
It is not a de Polignac number, because 12005797 - 23 = 12005789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12005717) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71808 + ... + 71974.
It is an arithmetic number, because the mean of its divisors is an integer number (813960).
Almost surely, 212005797 is an apocalyptic number.
It is an amenable number.
12005797 is a deficient number, since it is larger than the sum of its proper divisors (1017563).
12005797 is a wasteful number, since it uses less digits than its factorization.
12005797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300.
The product of its (nonzero) digits is 4410, while the sum is 31.
The square root of 12005797 is about 3464.9382389878. The cubic root of 12005797 is about 228.9797087339.
The spelling of 12005797 in words is "twelve million, five thousand, seven hundred ninety-seven".
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