Base | Representation |
---|---|
bin | 110000101101… |
… | …110111100111 |
3 | 220000211020021 |
4 | 300231313213 |
5 | 11232131131 |
6 | 1133420011 |
7 | 213356425 |
oct | 60556747 |
9 | 26024207 |
10 | 12770791 |
11 | 7232980 |
12 | 433a607 |
13 | 2851aa7 |
14 | 19a6115 |
15 | 11c3e11 |
hex | c2dde7 |
12770791 has 16 divisors (see below), whose sum is σ = 15234048. Its totient is φ = 10569600.
The previous prime is 12770789. The next prime is 12770801. The reversal of 12770791 is 19707721.
It is a cyclic number.
It is not a de Polignac number, because 12770791 - 21 = 12770789 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 (12770711) 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, 4696 + ... + 6898.
It is an arithmetic number, because the mean of its divisors is an integer number (952128).
Almost surely, 212770791 is an apocalyptic number.
12770791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12770791 is a deficient number, since it is larger than the sum of its proper divisors (2463257).
12770791 is a wasteful number, since it uses less digits than its factorization.
12770791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2262.
The product of its (nonzero) digits is 6174, while the sum is 34.
The square root of 12770791 is about 3573.6243507118. The cubic root of 12770791 is about 233.7433509695.
The spelling of 12770791 in words is "twelve million, seven hundred seventy thousand, seven hundred ninety-one".
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