Base | Representation |
---|---|
bin | 101111011100… |
… | …100011010001 |
3 | 212101220100001 |
4 | 233130203101 |
5 | 11141001323 |
6 | 1122330001 |
7 | 210501361 |
oct | 57344321 |
9 | 25356301 |
10 | 12437713 |
11 | 7025702 |
12 | 41b9901 |
13 | 27662c2 |
14 | 191a9a1 |
15 | 115a3ad |
hex | bdc8d1 |
12437713 has 4 divisors (see below), whose sum is σ = 12456868. Its totient is φ = 12418560.
The previous prime is 12437701. The next prime is 12437743. The reversal of 12437713 is 31773421.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8485569 + 3952144 = 2913^2 + 1988^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12437713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12437743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8568 + ... + 9913.
It is an arithmetic number, because the mean of its divisors is an integer number (3114217).
Almost surely, 212437713 is an apocalyptic number.
It is an amenable number.
12437713 is a deficient number, since it is larger than the sum of its proper divisors (19155).
12437713 is an equidigital number, since it uses as much as digits as its factorization.
12437713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19154.
The product of its digits is 3528, while the sum is 28.
The square root of 12437713 is about 3526.7141931265. The cubic root of 12437713 is about 231.6933187654.
The spelling of 12437713 in words is "twelve million, four hundred thirty-seven thousand, seven hundred thirteen".
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