Base | Representation |
---|---|
bin | 110010100110… |
… | …011111111011 |
3 | 220221221000021 |
4 | 302212133323 |
5 | 11343434031 |
6 | 1152151311 |
7 | 220515103 |
oct | 62463773 |
9 | 26857007 |
10 | 13264891 |
11 | 7540122 |
12 | 4538537 |
13 | 2995963 |
14 | 1a94203 |
15 | 1270511 |
hex | ca67fb |
13264891 has 2 divisors, whose sum is σ = 13264892. Its totient is φ = 13264890.
The previous prime is 13264873. The next prime is 13264921. The reversal of 13264891 is 19846231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13264891 - 29 = 13264379 is a prime.
It is equal to p865339 and since 13264891 and 865339 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (13264841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6632445 + 6632446.
It is an arithmetic number, because the mean of its divisors is an integer number (6632446).
Almost surely, 213264891 is an apocalyptic number.
13264891 is a deficient number, since it is larger than the sum of its proper divisors (1).
13264891 is an equidigital number, since it uses as much as digits as its factorization.
13264891 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10368, while the sum is 34.
The square root of 13264891 is about 3642.0998064304. The cubic root of 13264891 is about 236.7197872781.
The spelling of 13264891 in words is "thirteen million, two hundred sixty-four thousand, eight hundred ninety-one".
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