Base | Representation |
---|---|
bin | 110001001100… |
… | …001011111111 |
3 | 220021010120200 |
4 | 301030023333 |
5 | 11300114400 |
6 | 1140214543 |
7 | 214414452 |
oct | 61141377 |
9 | 26233520 |
10 | 12894975 |
11 | 7308205 |
12 | 439a453 |
13 | 2896482 |
14 | 19d9499 |
15 | 11eab00 |
hex | c4c2ff |
12894975 has 36 divisors (see below), whose sum is σ = 23290176. Its totient is φ = 6819840.
The previous prime is 12894971. The next prime is 12894991. The reversal of 12894975 is 57949821.
It is not a de Polignac number, because 12894975 - 22 = 12894971 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 12894975.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12894971) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50047 + ... + 50303.
Almost surely, 212894975 is an apocalyptic number.
12894975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12894975 is a deficient number, since it is larger than the sum of its proper divisors (10395201).
12894975 is a wasteful number, since it uses less digits than its factorization.
12894975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496 (or 488 counting only the distinct ones).
The product of its digits is 181440, while the sum is 45.
The square root of 12894975 is about 3590.9573932309. The cubic root of 12894975 is about 234.4985535225.
The spelling of 12894975 in words is "twelve million, eight hundred ninety-four thousand, nine hundred seventy-five".
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