Base | Representation |
---|---|
bin | 110001111111… |
… | …011010011101 |
3 | 220122210101212 |
4 | 301333122131 |
5 | 11323323142 |
6 | 1144514205 |
7 | 216250256 |
oct | 61773235 |
9 | 26583355 |
10 | 13104797 |
11 | 7440912 |
12 | 447b965 |
13 | 293ab24 |
14 | 1a51b2d |
15 | 123cd82 |
hex | c7f69d |
13104797 has 4 divisors (see below), whose sum is σ = 13239996. Its totient is φ = 12969600.
The previous prime is 13104761. The next prime is 13104799. The reversal of 13104797 is 79740131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79740131 = 19 ⋅4196849.
It can be written as a sum of positive squares in 2 ways, for example, as 2208196 + 10896601 = 1486^2 + 3301^2 .
It is a cyclic number.
It is not a de Polignac number, because 13104797 - 218 = 12842653 is a prime.
It is a super-2 number, since 2×131047972 = 343471408822418, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13104799) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67454 + ... + 67647.
It is an arithmetic number, because the mean of its divisors is an integer number (3309999).
Almost surely, 213104797 is an apocalyptic number.
It is an amenable number.
13104797 is a deficient number, since it is larger than the sum of its proper divisors (135199).
13104797 is an equidigital number, since it uses as much as digits as its factorization.
13104797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135198.
The product of its (nonzero) digits is 5292, while the sum is 32.
The square root of 13104797 is about 3620.0548338388. The cubic root of 13104797 is about 235.7636062959.
The spelling of 13104797 in words is "thirteen million, one hundred four thousand, seven hundred ninety-seven".
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