Base | Representation |
---|---|
bin | 110000001110… |
… | …010110110000 |
3 | 212210021011120 |
4 | 300032112300 |
5 | 11214013322 |
6 | 1130542240 |
7 | 212311206 |
oct | 60162660 |
9 | 25707146 |
10 | 12641712 |
11 | 71549a6 |
12 | 4297980 |
13 | 2808105 |
14 | 1971076 |
15 | 119aa5c |
hex | c0e5b0 |
12641712 has 20 divisors (see below), whose sum is σ = 32657880. Its totient is φ = 4213888.
The previous prime is 12641683. The next prime is 12641723. The reversal of 12641712 is 21714621.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131637 + ... + 131732.
It is an arithmetic number, because the mean of its divisors is an integer number (1632894).
Almost surely, 212641712 is an apocalyptic number.
12641712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12641712 is an abundant number, since it is smaller than the sum of its proper divisors (20016168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12641712 is a wasteful number, since it uses less digits than its factorization.
12641712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263380 (or 263374 counting only the distinct ones).
The product of its digits is 672, while the sum is 24.
The square root of 12641712 is about 3555.5185275850. The cubic root of 12641712 is about 232.9531732480.
The spelling of 12641712 in words is "twelve million, six hundred forty-one thousand, seven hundred twelve".
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