Base | Representation |
---|---|
bin | 110001000101… |
… | …110101101100 |
3 | 220012210220121 |
4 | 301011311230 |
5 | 11243301342 |
6 | 1135454324 |
7 | 214245604 |
oct | 61056554 |
9 | 26183817 |
10 | 12868972 |
11 | 729a716 |
12 | 43873a4 |
13 | 288769c |
14 | 19cdc04 |
15 | 11e3067 |
hex | c45d6c |
12868972 has 6 divisors (see below), whose sum is σ = 22520708. Its totient is φ = 6434484.
The previous prime is 12868943. The next prime is 12868979. The reversal of 12868972 is 27986821.
12868972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×128689722 = 331220880673568, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12868979) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608618 + ... + 1608625.
Almost surely, 212868972 is an apocalyptic number.
It is an amenable number.
12868972 is a deficient number, since it is larger than the sum of its proper divisors (9651736).
12868972 is a wasteful number, since it uses less digits than its factorization.
12868972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3217247 (or 3217245 counting only the distinct ones).
The product of its digits is 96768, while the sum is 43.
The square root of 12868972 is about 3587.3349439382. The cubic root of 12868972 is about 234.3408236270.
The spelling of 12868972 in words is "twelve million, eight hundred sixty-eight thousand, nine hundred seventy-two".
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