Base | Representation |
---|---|
bin | 110000010111… |
… | …110111001100 |
3 | 212212020120210 |
4 | 300113313030 |
5 | 11221240102 |
6 | 1131442420 |
7 | 212532555 |
oct | 60276714 |
9 | 25766523 |
10 | 12680652 |
11 | 7181186 |
12 | 42b6410 |
13 | 281ca5a |
14 | 198132c |
15 | 11a736c |
hex | c17dcc |
12680652 has 12 divisors (see below), whose sum is σ = 29588216. Its totient is φ = 4226880.
The previous prime is 12680641. The next prime is 12680653. The reversal of 12680652 is 25608621.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (12680653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528349 + ... + 528372.
Almost surely, 212680652 is an apocalyptic number.
12680652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12680652 is an abundant number, since it is smaller than the sum of its proper divisors (16907564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12680652 is a wasteful number, since it uses less digits than its factorization.
12680652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1056728 (or 1056726 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 12680652 is about 3560.9903116970. The cubic root of 12680652 is about 233.1921150024.
The spelling of 12680652 in words is "twelve million, six hundred eighty thousand, six hundred fifty-two".
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