Base | Representation |
---|---|
bin | 110001000100… |
… | …110110000101 |
3 | 220012121022211 |
4 | 301010312011 |
5 | 11243134101 |
6 | 1135423421 |
7 | 214231000 |
oct | 61046605 |
9 | 26177284 |
10 | 12864901 |
11 | 7297655 |
12 | 4384b71 |
13 | 288588a |
14 | 19cc537 |
15 | 11e1c51 |
hex | c44d85 |
12864901 has 8 divisors (see below), whose sum is σ = 15003200. Its totient is φ = 11026764.
The previous prime is 12864899. The next prime is 12864941. The reversal of 12864901 is 10946821.
It is a happy number.
It is not a de Polignac number, because 12864901 - 21 = 12864899 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12864941) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18411 + ... + 19096.
It is an arithmetic number, because the mean of its divisors is an integer number (1875400).
Almost surely, 212864901 is an apocalyptic number.
It is an amenable number.
12864901 is a deficient number, since it is larger than the sum of its proper divisors (2138299).
12864901 is an frugal number, since it uses more digits than its factorization.
12864901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37528 (or 37514 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 12864901 is about 3586.7674861914. The cubic root of 12864901 is about 234.3161103838.
The spelling of 12864901 in words is "twelve million, eight hundred sixty-four thousand, nine hundred one".
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