Base | Representation |
---|---|
bin | 110001000111… |
… | …111010110001 |
3 | 220020020121001 |
4 | 301013322301 |
5 | 11244034424 |
6 | 1140002001 |
7 | 214312462 |
oct | 61077261 |
9 | 26206531 |
10 | 12877489 |
11 | 72a6059 |
12 | 4390301 |
13 | 288b521 |
14 | 19d2d69 |
15 | 11e5844 |
hex | c47eb1 |
12877489 has 8 divisors (see below), whose sum is σ = 13054400. Its totient is φ = 12702096.
The previous prime is 12877477. The next prime is 12877507. The reversal of 12877489 is 98477821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12877489 - 29 = 12876977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12877409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32239 + ... + 32635.
It is an arithmetic number, because the mean of its divisors is an integer number (1631800).
Almost surely, 212877489 is an apocalyptic number.
It is an amenable number.
12877489 is a deficient number, since it is larger than the sum of its proper divisors (176911).
12877489 is a wasteful number, since it uses less digits than its factorization.
12877489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 759.
The product of its digits is 225792, while the sum is 46.
The square root of 12877489 is about 3588.5218405355. The cubic root of 12877489 is about 234.3925097200.
It can be divided in two parts, 12877 and 489, that added together give a triangular number (13366 = T163).
The spelling of 12877489 in words is "twelve million, eight hundred seventy-seven thousand, four hundred eighty-nine".
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