Base | Representation |
---|---|
bin | 101111001110… |
… | …101010000110 |
3 | 212022000021101 |
4 | 233032222012 |
5 | 11132141211 |
6 | 1121210314 |
7 | 210143434 |
oct | 57165206 |
9 | 25260241 |
10 | 12380806 |
11 | 6a96979 |
12 | 419099a |
13 | 2746429 |
14 | 1903d54 |
15 | 11485c1 |
hex | bcea86 |
12380806 has 8 divisors (see below), whose sum is σ = 18751824. Its totient is φ = 6130200.
The previous prime is 12380803. The next prime is 12380813. The reversal of 12380806 is 60808321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12380803) 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, 29845 + ... + 30256.
It is an arithmetic number, because the mean of its divisors is an integer number (2343978).
Almost surely, 212380806 is an apocalyptic number.
12380806 is a deficient number, since it is larger than the sum of its proper divisors (6371018).
12380806 is a wasteful number, since it uses less digits than its factorization.
12380806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60206.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 12380806 is about 3518.6369520029. The cubic root of 12380806 is about 231.3394184511.
The spelling of 12380806 in words is "twelve million, three hundred eighty thousand, eight hundred six".
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