Base | Representation |
---|---|
bin | 101111100010… |
… | …010011010001 |
3 | 212110002122100 |
4 | 233202103101 |
5 | 11142230030 |
6 | 1123031013 |
7 | 210630135 |
oct | 57422321 |
9 | 25402570 |
10 | 12461265 |
11 | 7041373 |
12 | 420b469 |
13 | 2773c3b |
14 | 19253c5 |
15 | 1162360 |
hex | be24d1 |
12461265 has 12 divisors (see below), whose sum is σ = 21599604. Its totient is φ = 6645984.
The previous prime is 12461261. The next prime is 12461269. The reversal of 12461265 is 56216421.
12461265 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12461261) and next prime (12461269).
It can be written as a sum of positive squares in 2 ways, for example, as 8433216 + 4028049 = 2904^2 + 2007^2 .
It is not a de Polignac number, because 12461265 - 22 = 12461261 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12461261) 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, 138414 + ... + 138503.
It is an arithmetic number, because the mean of its divisors is an integer number (1799967).
Almost surely, 212461265 is an apocalyptic number.
12461265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12461265 is a deficient number, since it is larger than the sum of its proper divisors (9138339).
12461265 is a wasteful number, since it uses less digits than its factorization.
12461265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276928 (or 276925 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 12461265 is about 3530.0516993381. The cubic root of 12461265 is about 231.8394710447.
Adding to 12461265 its reverse (56216421), we get a palindrome (68677686).
The spelling of 12461265 in words is "twelve million, four hundred sixty-one thousand, two hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •