Base | Representation |
---|---|
bin | 110000011110… |
… | …111011011101 |
3 | 212220201021211 |
4 | 300132323131 |
5 | 11223201342 |
6 | 1132224421 |
7 | 213013135 |
oct | 60367335 |
9 | 25821254 |
10 | 12709597 |
11 | 71a09aa |
12 | 430b111 |
13 | 282cc94 |
14 | 198bac5 |
15 | 11b0c17 |
hex | c1eedd |
12709597 has 4 divisors (see below), whose sum is σ = 13119616. Its totient is φ = 12299580.
The previous prime is 12709573. The next prime is 12709601. The reversal of 12709597 is 79590721.
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 12709597 - 219 = 12185309 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 (12709507) 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, 204963 + ... + 205024.
It is an arithmetic number, because the mean of its divisors is an integer number (3279904).
Almost surely, 212709597 is an apocalyptic number.
It is an amenable number.
12709597 is a deficient number, since it is larger than the sum of its proper divisors (410019).
12709597 is an equidigital number, since it uses as much as digits as its factorization.
12709597 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 410018.
The product of its (nonzero) digits is 39690, while the sum is 40.
The square root of 12709597 is about 3565.0521735313. The cubic root of 12709597 is about 233.3694091612.
The spelling of 12709597 in words is "twelve million, seven hundred nine thousand, five hundred ninety-seven".
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