Base | Representation |
---|---|
bin | 110000011101… |
… | …111001011101 |
3 | 212220111111101 |
4 | 300131321131 |
5 | 11223032443 |
6 | 1132153101 |
7 | 212664622 |
oct | 60357135 |
9 | 25814441 |
10 | 12705373 |
11 | 719880a |
12 | 4308791 |
13 | 282b095 |
14 | 198a349 |
15 | 11ae84d |
hex | c1de5d |
12705373 has 4 divisors (see below), whose sum is σ = 12848220. Its totient is φ = 12562528.
The previous prime is 12705349. The next prime is 12705377. The reversal of 12705373 is 37350721.
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 2732409 + 9972964 = 1653^2 + 3158^2 .
It is a de Polignac number, because none of the positive numbers 2k-12705373 is a prime.
It is a super-2 number, since 2×127053732 = 322853006138258, 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 (12705377) 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, 71290 + ... + 71467.
It is an arithmetic number, because the mean of its divisors is an integer number (3212055).
Almost surely, 212705373 is an apocalyptic number.
It is an amenable number.
12705373 is a deficient number, since it is larger than the sum of its proper divisors (142847).
12705373 is an equidigital number, since it uses as much as digits as its factorization.
12705373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142846.
The product of its (nonzero) digits is 4410, while the sum is 28.
The square root of 12705373 is about 3564.4597066035. The cubic root of 12705373 is about 233.3435530671.
The spelling of 12705373 in words is "twelve million, seven hundred five thousand, three hundred seventy-three".
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