Base | Representation |
---|---|
bin | 101110101001… |
… | …110101111101 |
3 | 212000100102110 |
4 | 232221311331 |
5 | 11112330023 |
6 | 1114044233 |
7 | 205645005 |
oct | 56516575 |
9 | 25010373 |
10 | 12230013 |
11 | 69a3654 |
12 | 4119679 |
13 | 26c28c3 |
14 | 18a5005 |
15 | 1118a93 |
hex | ba9d7d |
12230013 has 8 divisors (see below), whose sum is σ = 16704576. Its totient is φ = 7954400.
The previous prime is 12230003. The next prime is 12230041. The reversal of 12230013 is 31003221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12230013 - 25 = 12229981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49593 + ... + 49838.
It is an arithmetic number, because the mean of its divisors is an integer number (2088072).
Almost surely, 212230013 is an apocalyptic number.
It is an amenable number.
12230013 is a deficient number, since it is larger than the sum of its proper divisors (4474563).
12230013 is an equidigital number, since it uses as much as digits as its factorization.
12230013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99475.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 12230013 is about 3497.1435486694. The cubic root of 12230013 is about 230.3963738518.
Adding to 12230013 its reverse (31003221), we get a palindrome (43233234).
It can be divided in two parts, 122 and 30013, that added together give a triangular number (30135 = T245).
The spelling of 12230013 in words is "twelve million, two hundred thirty thousand, thirteen".
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