Base | Representation |
---|---|
bin | 101101110011… |
… | …100111110011 |
3 | 211121001202220 |
4 | 231303213303 |
5 | 11033223143 |
6 | 1105212123 |
7 | 204031344 |
oct | 55634763 |
9 | 24531686 |
10 | 12007923 |
11 | 6861804 |
12 | 4031043 |
13 | 26457a5 |
14 | 18480cb |
15 | 10c2d83 |
hex | b739f3 |
12007923 has 4 divisors (see below), whose sum is σ = 16010568. Its totient is φ = 8005280.
The previous prime is 12007907. The next prime is 12007927. The reversal of 12007923 is 32970021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12007923 - 24 = 12007907 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12007893 and 12007902.
It is not an unprimeable number, because it can be changed into a prime (12007927) 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, 2001318 + ... + 2001323.
It is an arithmetic number, because the mean of its divisors is an integer number (4002642).
Almost surely, 212007923 is an apocalyptic number.
12007923 is a deficient number, since it is larger than the sum of its proper divisors (4002645).
12007923 is an equidigital number, since it uses as much as digits as its factorization.
12007923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4002644.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 12007923 is about 3465.2450129825. The cubic root of 12007923 is about 228.9932239307.
Adding to 12007923 its reverse (32970021), we get a palindrome (44977944).
The spelling of 12007923 in words is "twelve million, seven thousand, nine hundred twenty-three".
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