Base | Representation |
---|---|
bin | 101101110001… |
… | …110111010110 |
3 | 211120200220100 |
4 | 231301313112 |
5 | 11033010401 |
6 | 1105114530 |
7 | 204001353 |
oct | 55616726 |
9 | 24520810 |
10 | 12000726 |
11 | 6857361 |
12 | 4028a46 |
13 | 264242a |
14 | 184562a |
15 | 10c0b86 |
hex | b71dd6 |
12000726 has 12 divisors (see below), whose sum is σ = 26001612. Its totient is φ = 4000236.
The previous prime is 12000683. The next prime is 12000731. The reversal of 12000726 is 62700021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 666707 = 12000726 / (1 + 2 + 0 + 0 + 0 + 7 + 2 + 6).
It is a junction number, because it is equal to n+sod(n) for n = 12000699 and 12000708.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333336 + ... + 333371.
It is an arithmetic number, because the mean of its divisors is an integer number (2166801).
Almost surely, 212000726 is an apocalyptic number.
12000726 is an abundant number, since it is smaller than the sum of its proper divisors (14000886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000726 is a wasteful number, since it uses less digits than its factorization.
12000726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666715 (or 666712 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 12000726 is about 3464.2064026267. The cubic root of 12000726 is about 228.9474654317.
Adding to 12000726 its reverse (62700021), we get a palindrome (74700747).
The spelling of 12000726 in words is "twelve million, seven hundred twenty-six", and thus it is an aban number.
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