Base | Representation |
---|---|
bin | 101101110001… |
… | …111011000001 |
3 | 211120201020001 |
4 | 231301323001 |
5 | 11033012321 |
6 | 1105120001 |
7 | 204002140 |
oct | 55617301 |
9 | 24521201 |
10 | 12000961 |
11 | 6857555 |
12 | 4029001 |
13 | 264257b |
14 | 1845757 |
15 | 10c0c91 |
hex | b71ec1 |
12000961 has 4 divisors (see below), whose sum is σ = 13715392. Its totient is φ = 10286532.
The previous prime is 12000959. The next prime is 12000977. The reversal of 12000961 is 16900021.
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 12000961 - 21 = 12000959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12000931) 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, 857205 + ... + 857218.
It is an arithmetic number, because the mean of its divisors is an integer number (3428848).
Almost surely, 212000961 is an apocalyptic number.
It is an amenable number.
12000961 is a deficient number, since it is larger than the sum of its proper divisors (1714431).
12000961 is an equidigital number, since it uses as much as digits as its factorization.
12000961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1714430.
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 12000961 is about 3464.2403207630. The cubic root of 12000961 is about 228.9489598497.
Adding to 12000961 its reverse (16900021), we get a palindrome (28900982).
The spelling of 12000961 in words is "twelve million, nine hundred sixty-one", and thus it is an aban number.
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