Base | Representation |
---|---|
bin | 110000010000… |
… | …000010100100 |
3 | 212210121122010 |
4 | 300100002210 |
5 | 11214223422 |
6 | 1131034220 |
7 | 212340264 |
oct | 60200244 |
9 | 25717563 |
10 | 12648612 |
11 | 715a0a9 |
12 | 429b970 |
13 | 280b2b2 |
14 | 19737a4 |
15 | 119cb0c |
hex | c100a4 |
12648612 has 24 divisors (see below), whose sum is σ = 31250016. Its totient is φ = 3968128.
The previous prime is 12648569. The next prime is 12648613. The reversal of 12648612 is 21684621.
It is a self number, because there is not a number n which added to its sum of digits gives 12648612.
It is not an unprimeable number, because it can be changed into a prime (12648613) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30798 + ... + 31205.
It is an arithmetic number, because the mean of its divisors is an integer number (1302084).
Almost surely, 212648612 is an apocalyptic number.
12648612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12648612 is an abundant number, since it is smaller than the sum of its proper divisors (18601404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12648612 is a wasteful number, since it uses less digits than its factorization.
12648612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62027 (or 62025 counting only the distinct ones).
The product of its digits is 4608, while the sum is 30.
The square root of 12648612 is about 3556.4887178227. The cubic root of 12648612 is about 232.9955484300.
The spelling of 12648612 in words is "twelve million, six hundred forty-eight thousand, six hundred twelve".
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