Base | Representation |
---|---|
bin | 110001110001… |
… | …011111111111 |
3 | 220112220020010 |
4 | 301301133333 |
5 | 11320012212 |
6 | 1143354303 |
7 | 215622153 |
oct | 61613777 |
9 | 26486203 |
10 | 13047807 |
11 | 7402013 |
12 | 4452993 |
13 | 291abc6 |
14 | 1a39063 |
15 | 122b03c |
hex | c717ff |
13047807 has 16 divisors (see below), whose sum is σ = 18056192. Its totient is φ = 8372160.
The previous prime is 13047787. The next prime is 13047809. The reversal of 13047807 is 70874031.
It is a happy number.
It is not a de Polignac number, because 13047807 - 211 = 13045759 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 (13047809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28323 + ... + 28779.
It is an arithmetic number, because the mean of its divisors is an integer number (1128512).
Almost surely, 213047807 is an apocalyptic number.
13047807 is a deficient number, since it is larger than the sum of its proper divisors (5008385).
13047807 is a wasteful number, since it uses less digits than its factorization.
13047807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 13047807 is about 3612.1748296560. The cubic root of 13047807 is about 235.4213476014.
The spelling of 13047807 in words is "thirteen million, forty-seven thousand, eight hundred seven".
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