Base | Representation |
---|---|
bin | 110010110010… |
… | …000011001101 |
3 | 221001022220122 |
4 | 302302003031 |
5 | 11401442310 |
6 | 1153154325 |
7 | 221103044 |
oct | 62620315 |
9 | 27038818 |
10 | 13312205 |
11 | 7572725 |
12 | 455b9a5 |
13 | 29b135a |
14 | 1aa755b |
15 | 127e555 |
hex | cb20cd |
13312205 has 8 divisors (see below), whose sum is σ = 15995232. Its totient is φ = 10636048.
The previous prime is 13312199. The next prime is 13312231. The reversal of 13312205 is 50221331.
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 13312205 - 216 = 13246669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 7056.
It is an arithmetic number, because the mean of its divisors is an integer number (1999404).
Almost surely, 213312205 is an apocalyptic number.
It is an amenable number.
13312205 is a deficient number, since it is larger than the sum of its proper divisors (2683027).
13312205 is a wasteful number, since it uses less digits than its factorization.
13312205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3435.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 13312205 is about 3648.5894534738. The cubic root of 13312205 is about 237.0009020362. Note that the first 3 decimals are identical.
Adding to 13312205 its reverse (50221331), we get a palindrome (63533536).
The spelling of 13312205 in words is "thirteen million, three hundred twelve thousand, two hundred five".
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