Base | Representation |
---|---|
bin | 101110000101… |
… | …001110000111 |
3 | 211201201122200 |
4 | 232011032013 |
5 | 11043030012 |
6 | 1110525543 |
7 | 204451452 |
oct | 56051607 |
9 | 24651580 |
10 | 12080007 |
11 | 6900985 |
12 | 40668b3 |
13 | 266c544 |
14 | 1866499 |
15 | 10d93dc |
hex | b85387 |
12080007 has 6 divisors (see below), whose sum is σ = 17448912. Its totient is φ = 8053332.
The previous prime is 12079999. The next prime is 12080017. The reversal of 12080007 is 70008021.
12080007 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12080007 - 23 = 12079999 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12080017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 671103 + ... + 671120.
It is an arithmetic number, because the mean of its divisors is an integer number (2908152).
Almost surely, 212080007 is an apocalyptic number.
12080007 is a deficient number, since it is larger than the sum of its proper divisors (5368905).
12080007 is a wasteful number, since it uses less digits than its factorization.
12080007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1342229 (or 1342226 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 12080007 is about 3475.6304464082. The cubic root of 12080007 is about 229.4505283030.
Adding to 12080007 its reverse (70008021), we get a palindrome (82088028).
The spelling of 12080007 in words is "twelve million, eighty thousand, seven".
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