Base | Representation |
---|---|
bin | 110001101000… |
… | …110101001101 |
3 | 220111002112002 |
4 | 301220311031 |
5 | 11312343201 |
6 | 1142522045 |
7 | 215413511 |
oct | 61506515 |
9 | 26432462 |
10 | 13012301 |
11 | 7388375 |
12 | 4436325 |
13 | 29079b3 |
14 | 1a2a141 |
15 | 122076b |
hex | c68d4d |
13012301 has 2 divisors, whose sum is σ = 13012302. Its totient is φ = 13012300.
The previous prime is 13012291. The next prime is 13012303. The reversal of 13012301 is 10321031.
13012301 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8128201 + 4884100 = 2851^2 + 2210^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13012301 is a prime.
Together with 13012303, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13012303) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506150 + 6506151.
It is an arithmetic number, because the mean of its divisors is an integer number (6506151).
Almost surely, 213012301 is an apocalyptic number.
It is an amenable number.
13012301 is a deficient number, since it is larger than the sum of its proper divisors (1).
13012301 is an equidigital number, since it uses as much as digits as its factorization.
13012301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 13012301 is about 3607.2567139032. The cubic root of 13012301 is about 235.2076089001.
Adding to 13012301 its reverse (10321031), we get a palindrome (23333332).
The spelling of 13012301 in words is "thirteen million, twelve thousand, three hundred one".
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