Base | Representation |
---|---|
bin | 110001001010… |
… | …010101010000 |
3 | 220020202011020 |
4 | 301022111100 |
5 | 11244344001 |
6 | 1140115440 |
7 | 214353345 |
oct | 61122520 |
9 | 26222136 |
10 | 12887376 |
11 | 7302527 |
12 | 4395b80 |
13 | 2892b88 |
14 | 19d67cc |
15 | 11e8736 |
hex | c4a550 |
12887376 has 20 divisors (see below), whose sum is σ = 33292512. Its totient is φ = 4295776.
The previous prime is 12887341. The next prime is 12887389. The reversal of 12887376 is 67378821.
It is a congruent number.
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, 134196 + ... + 134291.
Almost surely, 212887376 is an apocalyptic number.
12887376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
12887376 is an abundant number, since it is smaller than the sum of its proper divisors (20405136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12887376 is a wasteful number, since it uses less digits than its factorization.
12887376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 268498 (or 268492 counting only the distinct ones).
The product of its digits is 112896, while the sum is 42.
The square root of 12887376 is about 3589.8991629292. The cubic root of 12887376 is about 234.4524811918.
The spelling of 12887376 in words is "twelve million, eight hundred eighty-seven thousand, three hundred seventy-six".
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