Base | Representation |
---|---|
bin | 110001101000… |
… | …100000111111 |
3 | 220111000202011 |
4 | 301220200333 |
5 | 11312323012 |
6 | 1142512051 |
7 | 215406652 |
oct | 61504077 |
9 | 26430664 |
10 | 13011007 |
11 | 73873a9 |
12 | 4435627 |
13 | 2907229 |
14 | 1a29899 |
15 | 12201a7 |
hex | c6883f |
13011007 has 2 divisors, whose sum is σ = 13011008. Its totient is φ = 13011006.
The previous prime is 13010993. The next prime is 13011059. The reversal of 13011007 is 70011031.
13011007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is an emirp because it is prime and its reverse (70011031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13011007 - 215 = 12978239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13011107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505503 + 6505504.
It is an arithmetic number, because the mean of its divisors is an integer number (6505504).
Almost surely, 213011007 is an apocalyptic number.
13011007 is a deficient number, since it is larger than the sum of its proper divisors (1).
13011007 is an equidigital number, since it uses as much as digits as its factorization.
13011007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 21, while the sum is 13.
The square root of 13011007 is about 3607.0773487687. The cubic root of 13011007 is about 235.1998119513.
Adding to 13011007 its reverse (70011031), we get a palindrome (83022038).
The spelling of 13011007 in words is "thirteen million, eleven thousand, seven".
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