Base | Representation |
---|---|
bin | 110001010011… |
… | …100010000001 |
3 | 220022122211211 |
4 | 301103202001 |
5 | 11302100212 |
6 | 1141010121 |
7 | 214601245 |
oct | 61234201 |
9 | 26278754 |
10 | 12925057 |
11 | 7328872 |
12 | 43b3941 |
13 | 28a7082 |
14 | 1a06425 |
15 | 12049a7 |
hex | c53881 |
12925057 has 12 divisors (see below), whose sum is σ = 13796244. Its totient is φ = 12103520.
The previous prime is 12925051. The next prime is 12925061. The reversal of 12925057 is 75052921.
It can be written as a sum of positive squares in 2 ways, for example, as 6754801 + 6170256 = 2599^2 + 2484^2 .
It is not a de Polignac number, because 12925057 - 223 = 4536449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12925051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27807 + ... + 28267.
It is an arithmetic number, because the mean of its divisors is an integer number (1149687).
Almost surely, 212925057 is an apocalyptic number.
It is an amenable number.
12925057 is a deficient number, since it is larger than the sum of its proper divisors (871187).
12925057 is an equidigital number, since it uses as much as digits as its factorization.
12925057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560 (or 537 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 12925057 is about 3595.1435298191. The cubic root of 12925057 is about 234.6807616344.
Adding to 12925057 its reverse (75052921), we get a palindrome (87977978).
The spelling of 12925057 in words is "twelve million, nine hundred twenty-five thousand, fifty-seven".
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