Base | Representation |
---|---|
bin | 110010101011… |
… | …100101000001 |
3 | 220222222112212 |
4 | 302223211001 |
5 | 11400120242 |
6 | 1152431505 |
7 | 220632545 |
oct | 62534501 |
9 | 26888485 |
10 | 13285697 |
11 | 7554817 |
12 | 4548595 |
13 | 29a2279 |
14 | 1a9ba25 |
15 | 1276782 |
hex | cab941 |
13285697 has 4 divisors (see below), whose sum is σ = 13863360. Its totient is φ = 12708036.
The previous prime is 13285663. The next prime is 13285709. The reversal of 13285697 is 79658231.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13285697 - 26 = 13285633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13285397) 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 3 ways as a sum of consecutive naturals, for example, 288797 + ... + 288842.
It is an arithmetic number, because the mean of its divisors is an integer number (3465840).
Almost surely, 213285697 is an apocalyptic number.
It is an amenable number.
13285697 is a deficient number, since it is larger than the sum of its proper divisors (577663).
13285697 is an equidigital number, since it uses as much as digits as its factorization.
13285697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 577662.
The product of its digits is 90720, while the sum is 41.
The square root of 13285697 is about 3644.9550065810. The cubic root of 13285697 is about 236.8434877312.
The spelling of 13285697 in words is "thirteen million, two hundred eighty-five thousand, six hundred ninety-seven".
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