Base | Representation |
---|---|
bin | 110010101001… |
… | …011011011011 |
3 | 220222112110201 |
4 | 302221123123 |
5 | 11344330031 |
6 | 1152323031 |
7 | 220565065 |
oct | 62513333 |
9 | 26875421 |
10 | 13276891 |
11 | 7549141 |
12 | 4543477 |
13 | 299b264 |
14 | 1a98735 |
15 | 1273d61 |
hex | ca96db |
13276891 has 2 divisors, whose sum is σ = 13276892. Its totient is φ = 13276890.
The previous prime is 13276883. The next prime is 13276919. The reversal of 13276891 is 19867231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13276891 - 23 = 13276883 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13276891.
It is not a weakly prime, because it can be changed into another prime (13276831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6638445 + 6638446.
It is an arithmetic number, because the mean of its divisors is an integer number (6638446).
Almost surely, 213276891 is an apocalyptic number.
13276891 is a deficient number, since it is larger than the sum of its proper divisors (1).
13276891 is an equidigital number, since it uses as much as digits as its factorization.
13276891 is an evil number, because the sum of its binary digits is even.
The product of its digits is 18144, while the sum is 37.
The square root of 13276891 is about 3643.7468353331. The cubic root of 13276891 is about 236.7911481180.
The spelling of 13276891 in words is "thirteen million, two hundred seventy-six thousand, eight hundred ninety-one".
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