Base | Representation |
---|---|
bin | 110000010011… |
… | …100001010100 |
3 | 212211100012010 |
4 | 300103201110 |
5 | 11220202433 |
6 | 1131224220 |
7 | 212426661 |
oct | 60234124 |
9 | 25740163 |
10 | 12662868 |
11 | 7169889 |
12 | 42a8070 |
13 | 281492a |
14 | 1978a68 |
15 | 11a1e63 |
hex | c13854 |
12662868 has 24 divisors (see below), whose sum is σ = 30032800. Its totient is φ = 4151520.
The previous prime is 12662861. The next prime is 12662869. The reversal of 12662868 is 86826621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12662861) 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, 7918 + ... + 9381.
Almost surely, 212662868 is an apocalyptic number.
It is an amenable number.
12662868 is an abundant number, since it is smaller than the sum of its proper divisors (17369932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12662868 is a wasteful number, since it uses less digits than its factorization.
12662868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17367 (or 17365 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The square root of 12662868 is about 3558.4923773980. The cubic root of 12662868 is about 233.0830504532.
It can be divided in two parts, 12662 and 868, that added together give a triangular number (13530 = T164).
The spelling of 12662868 in words is "twelve million, six hundred sixty-two thousand, eight hundred sixty-eight".
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