Base | Representation |
---|---|
bin | 101111000111… |
… | …110111000001 |
3 | 212020121002002 |
4 | 233013313001 |
5 | 11130243321 |
6 | 1120433345 |
7 | 206666315 |
oct | 57076701 |
9 | 25217062 |
10 | 12352961 |
11 | 6a77a65 |
12 | 4178855 |
13 | 273685a |
14 | 18d7b45 |
15 | 114020b |
hex | bc7dc1 |
12352961 has 4 divisors (see below), whose sum is σ = 12406212. Its totient is φ = 12299712.
The previous prime is 12352943. The next prime is 12352979. The reversal of 12352961 is 16925321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16925321 = 7 ⋅2417903.
It is an interprime number because it is at equal distance from previous prime (12352943) and next prime (12352979).
It can be written as a sum of positive squares in 2 ways, for example, as 7756225 + 4596736 = 2785^2 + 2144^2 .
It is a cyclic number.
It is not a de Polignac number, because 12352961 - 218 = 12090817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12352981) 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, 26276 + ... + 26741.
It is an arithmetic number, because the mean of its divisors is an integer number (3101553).
Almost surely, 212352961 is an apocalyptic number.
It is an amenable number.
12352961 is a deficient number, since it is larger than the sum of its proper divisors (53251).
12352961 is an equidigital number, since it uses as much as digits as its factorization.
12352961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53250.
The product of its digits is 3240, while the sum is 29.
The square root of 12352961 is about 3514.6779368813. The cubic root of 12352961 is about 231.1658572862.
The spelling of 12352961 in words is "twelve million, three hundred fifty-two thousand, nine hundred sixty-one".
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