Base | Representation |
---|---|
bin | 101111100010… |
… | …010000010101 |
3 | 212110002101101 |
4 | 233202100111 |
5 | 11142223302 |
6 | 1123030101 |
7 | 210626446 |
oct | 57422025 |
9 | 25402341 |
10 | 12461077 |
11 | 7041212 |
12 | 420b331 |
13 | 2773b25 |
14 | 19252cd |
15 | 1162287 |
hex | be2415 |
12461077 has 4 divisors (see below), whose sum is σ = 12584556. Its totient is φ = 12337600.
The previous prime is 12461047. The next prime is 12461081. The reversal of 12461077 is 77016421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77016421 = 1303 ⋅59107.
It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 1110916 = 3369^2 + 1054^2 .
It is a cyclic number.
It is not a de Polignac number, because 12461077 - 219 = 11936789 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 (12461047) 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 3 ways as a sum of consecutive naturals, for example, 61588 + ... + 61789.
It is an arithmetic number, because the mean of its divisors is an integer number (3146139).
Almost surely, 212461077 is an apocalyptic number.
It is an amenable number.
12461077 is a deficient number, since it is larger than the sum of its proper divisors (123479).
12461077 is a wasteful number, since it uses less digits than its factorization.
12461077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123478.
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 12461077 is about 3530.0250707325. The cubic root of 12461077 is about 231.8383051374.
Adding to 12461077 its reverse (77016421), we get a palindrome (89477498).
The spelling of 12461077 in words is "twelve million, four hundred sixty-one thousand, seventy-seven".
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