Base | Representation |
---|---|
bin | 110001100110… |
… | …111001101101 |
3 | 220110200200100 |
4 | 301212321231 |
5 | 11312120042 |
6 | 1142421313 |
7 | 215351460 |
oct | 61467155 |
9 | 26420610 |
10 | 13004397 |
11 | 738243a |
12 | 4431839 |
13 | 2904213 |
14 | 1a272d7 |
15 | 121d24c |
hex | c66e6d |
13004397 has 12 divisors (see below), whose sum is σ = 21467680. Its totient is φ = 7431048.
The previous prime is 13004393. The next prime is 13004449. The reversal of 13004397 is 79340031.
It is not a de Polignac number, because 13004397 - 22 = 13004393 is a prime.
It is a super-2 number, since 2×130043972 = 338228682667218, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13004397.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13004393) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103147 + ... + 103272.
Almost surely, 213004397 is an apocalyptic number.
It is an amenable number.
13004397 is a deficient number, since it is larger than the sum of its proper divisors (8463283).
13004397 is a wasteful number, since it uses less digits than its factorization.
13004397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206432 (or 206429 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 13004397 is about 3606.1609781040. The cubic root of 13004397 is about 235.1599755752.
The spelling of 13004397 in words is "thirteen million, four thousand, three hundred ninety-seven".
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