Base | Representation |
---|---|
bin | 110000000110… |
… | …001111100111 |
3 | 212201120121000 |
4 | 300012033213 |
5 | 11211432422 |
6 | 1130124343 |
7 | 212112303 |
oct | 60061747 |
9 | 25646530 |
10 | 12608487 |
11 | 7131a41 |
12 | 42806b3 |
13 | 27c5c58 |
14 | 1962d03 |
15 | 1190cac |
hex | c063e7 |
12608487 has 16 divisors (see below), whose sum is σ = 18938080. Its totient is φ = 8289216.
The previous prime is 12608473. The next prime is 12608489. The reversal of 12608487 is 78480621.
12608487 is a `hidden beast` number, since 1 + 2 + 608 + 48 + 7 = 666.
12608487 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12608487 - 214 = 12592103 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12608489) 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, 1228 + ... + 5169.
It is an arithmetic number, because the mean of its divisors is an integer number (1183630).
Almost surely, 212608487 is an apocalyptic number.
12608487 is a deficient number, since it is larger than the sum of its proper divisors (6329593).
12608487 is an equidigital number, since it uses as much as digits as its factorization.
12608487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6479 (or 6473 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 12608487 is about 3550.8431393121. The cubic root of 12608487 is about 232.7489113634.
The spelling of 12608487 in words is "twelve million, six hundred eight thousand, four hundred eighty-seven".
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