Base | Representation |
---|---|
bin | 110000001110… |
… | …010000101101 |
3 | 212210020122020 |
4 | 300032100231 |
5 | 11214010300 |
6 | 1130540353 |
7 | 212310114 |
oct | 60162055 |
9 | 25706566 |
10 | 12641325 |
11 | 7154684 |
12 | 42976b9 |
13 | 2807b98 |
14 | 1970c7b |
15 | 119a8a0 |
hex | c0e42d |
12641325 has 24 divisors (see below), whose sum is σ = 21415296. Its totient is φ = 6576000.
The previous prime is 12641323. The next prime is 12641341. The reversal of 12641325 is 52314621.
It is not a de Polignac number, because 12641325 - 21 = 12641323 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12641295 and 12641304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12641323) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020 + ... + 5130.
It is an arithmetic number, because the mean of its divisors is an integer number (892304).
Almost surely, 212641325 is an apocalyptic number.
12641325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12641325 is a deficient number, since it is larger than the sum of its proper divisors (8773971).
12641325 is a wasteful number, since it uses less digits than its factorization.
12641325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4165 (or 4160 counting only the distinct ones).
The product of its digits is 1440, while the sum is 24.
The square root of 12641325 is about 3555.4641047267. The cubic root of 12641325 is about 232.9507960963.
Adding to 12641325 its reverse (52314621), we get a palindrome (64955946).
The spelling of 12641325 in words is "twelve million, six hundred forty-one thousand, three hundred twenty-five".
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