Base | Representation |
---|---|
bin | 110001001001… |
… | …100100110101 |
3 | 220020120220110 |
4 | 301021210311 |
5 | 11244244102 |
6 | 1140053233 |
7 | 214341330 |
oct | 61114465 |
9 | 26216813 |
10 | 12884277 |
11 | 730016a |
12 | 4394219 |
13 | 2891643 |
14 | 19d5617 |
15 | 11e786c |
hex | c49935 |
12884277 has 16 divisors (see below), whose sum is σ = 19791872. Its totient is φ = 7302960.
The previous prime is 12884233. The next prime is 12884279. The reversal of 12884277 is 77248821.
It is not a de Polignac number, because 12884277 - 218 = 12622133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12884279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252 + ... + 5082.
It is an arithmetic number, because the mean of its divisors is an integer number (1236992).
Almost surely, 212884277 is an apocalyptic number.
It is an amenable number.
12884277 is a deficient number, since it is larger than the sum of its proper divisors (6907595).
12884277 is a wasteful number, since it uses less digits than its factorization.
12884277 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4968.
The product of its digits is 50176, while the sum is 39.
The square root of 12884277 is about 3589.4675092554. The cubic root of 12884277 is about 234.4336869215.
It can be divided in two parts, 1288 and 4277, that added together give a triangular number (5565 = T105).
The spelling of 12884277 in words is "twelve million, eight hundred eighty-four thousand, two hundred seventy-seven".
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