Base | Representation |
---|---|
bin | 110000000111… |
… | …010101000000 |
3 | 212201210200111 |
4 | 300013111000 |
5 | 11212103203 |
6 | 1130201104 |
7 | 212131246 |
oct | 60072500 |
9 | 25653614 |
10 | 12612928 |
11 | 7135309 |
12 | 4283194 |
13 | 27c7c93 |
14 | 1964796 |
15 | 119226d |
hex | c07540 |
12612928 has 14 divisors (see below), whose sum is σ = 25028906. Its totient is φ = 6306432.
The previous prime is 12612923. The next prime is 12612931. The reversal of 12612928 is 82921621.
It can be written as a sum of positive squares in only one way, i.e., 12334144 + 278784 = 3512^2 + 528^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12612928.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12612923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98475 + ... + 98602.
It is an arithmetic number, because the mean of its divisors is an integer number (1787779).
Almost surely, 212612928 is an apocalyptic number.
It is an amenable number.
12612928 is a deficient number, since it is larger than the sum of its proper divisors (12415978).
12612928 is an equidigital number, since it uses as much as digits as its factorization.
12612928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197089 (or 197079 counting only the distinct ones).
The product of its digits is 3456, while the sum is 31.
The square root of 12612928 is about 3551.4684286926. The cubic root of 12612928 is about 232.7762346677.
The spelling of 12612928 in words is "twelve million, six hundred twelve thousand, nine hundred twenty-eight".
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