Base | Representation |
---|---|
bin | 101111010010… |
… | …101100001101 |
3 | 212022211221012 |
4 | 233102230031 |
5 | 11133203300 |
6 | 1121415005 |
7 | 210242543 |
oct | 57225415 |
9 | 25284835 |
10 | 12397325 |
11 | 6aa8326 |
12 | 419a465 |
13 | 2750ac5 |
14 | 1909d93 |
15 | 114d435 |
hex | bd2b0d |
12397325 has 6 divisors (see below), whose sum is σ = 15372714. Its totient is φ = 9917840.
The previous prime is 12397321. The next prime is 12397337. The reversal of 12397325 is 52379321.
It can be written as a sum of positive squares in 3 ways, for example, as 687241 + 11710084 = 829^2 + 3422^2 .
It is not a de Polignac number, because 12397325 - 22 = 12397321 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12397291 and 12397300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12397321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247922 + ... + 247971.
It is an arithmetic number, because the mean of its divisors is an integer number (2562119).
Almost surely, 212397325 is an apocalyptic number.
It is an amenable number.
12397325 is a deficient number, since it is larger than the sum of its proper divisors (2975389).
12397325 is an equidigital number, since it uses as much as digits as its factorization.
12397325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495903 (or 495898 counting only the distinct ones).
The product of its digits is 11340, while the sum is 32.
The square root of 12397325 is about 3520.9835273685. The cubic root of 12397325 is about 231.4422603693.
The spelling of 12397325 in words is "twelve million, three hundred ninety-seven thousand, three hundred twenty-five".
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