Base | Representation |
---|---|
bin | 110000101011… |
… | …011111110001 |
3 | 220000022220100 |
4 | 300223133301 |
5 | 11231323243 |
6 | 1133303013 |
7 | 213316203 |
oct | 60533761 |
9 | 26008810 |
10 | 12761073 |
11 | 7226646 |
12 | 4334a69 |
13 | 284a540 |
14 | 19a2773 |
15 | 11c10d3 |
hex | c2b7f1 |
12761073 has 24 divisors (see below), whose sum is σ = 20540520. Its totient is φ = 7580160.
The previous prime is 12761071. The next prime is 12761081. The reversal of 12761073 is 37016721.
It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 12341169 = 648^2 + 3513^2 .
It is not a de Polignac number, because 12761073 - 21 = 12761071 is a prime.
It is a super-2 number, since 2×127610732 = 325689968222658, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12761071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1513 + ... + 5273.
It is an arithmetic number, because the mean of its divisors is an integer number (855855).
Almost surely, 212761073 is an apocalyptic number.
12761073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12761073 is a deficient number, since it is larger than the sum of its proper divisors (7779447).
12761073 is a wasteful number, since it uses less digits than its factorization.
12761073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3809 (or 3806 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 27.
The square root of 12761073 is about 3572.2644079071. The cubic root of 12761073 is about 233.6840465171.
Adding to 12761073 its reverse (37016721), we get a palindrome (49777794).
The spelling of 12761073 in words is "twelve million, seven hundred sixty-one thousand, seventy-three".
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