Base | Representation |
---|---|
bin | 110001001000… |
… | …101011010011 |
3 | 220020101212002 |
4 | 301020223103 |
5 | 11244134340 |
6 | 1140024215 |
7 | 214324520 |
oct | 61105323 |
9 | 26211762 |
10 | 12880595 |
11 | 72a8422 |
12 | 439206b |
13 | 288ca70 |
14 | 19d4147 |
15 | 11e6715 |
hex | c48ad3 |
12880595 has 16 divisors (see below), whose sum is σ = 19024320. Its totient is φ = 8152704.
The previous prime is 12880589. The next prime is 12880649. The reversal of 12880595 is 59508821.
It is not a de Polignac number, because 12880595 - 222 = 8686291 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 13700 + ... + 14609.
It is an arithmetic number, because the mean of its divisors is an integer number (1189020).
Almost surely, 212880595 is an apocalyptic number.
12880595 is a deficient number, since it is larger than the sum of its proper divisors (6143725).
12880595 is a wasteful number, since it uses less digits than its factorization.
12880595 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28334.
The product of its (nonzero) digits is 28800, while the sum is 38.
The square root of 12880595 is about 3588.9545831621. The cubic root of 12880595 is about 234.4113530574.
The spelling of 12880595 in words is "twelve million, eight hundred eighty thousand, five hundred ninety-five".
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