Base | Representation |
---|---|
bin | 101111010010… |
… | …000100100001 |
3 | 212022201110010 |
4 | 233102010201 |
5 | 11133113120 |
6 | 1121355133 |
7 | 210232254 |
oct | 57220441 |
9 | 25281403 |
10 | 12394785 |
11 | 6aa6427 |
12 | 4198aa9 |
13 | 274c8c0 |
14 | 190909b |
15 | 114c7e0 |
hex | bd2121 |
12394785 has 32 divisors (see below), whose sum is σ = 22619520. Its totient is φ = 5741568.
The previous prime is 12394777. The next prime is 12394787. The reversal of 12394785 is 58749321.
12394785 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12394785 - 23 = 12394777 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12394787) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1446 + ... + 5184.
It is an arithmetic number, because the mean of its divisors is an integer number (706860).
Almost surely, 212394785 is an apocalyptic number.
12394785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12394785 is a deficient number, since it is larger than the sum of its proper divisors (10224735).
12394785 is a wasteful number, since it uses less digits than its factorization.
12394785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3777.
The product of its digits is 60480, while the sum is 39.
The square root of 12394785 is about 3520.6228142191. The cubic root of 12394785 is about 231.4264531019.
The spelling of 12394785 in words is "twelve million, three hundred ninety-four thousand, seven hundred eighty-five".
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