Base | Representation |
---|---|
bin | 101111101000… |
… | …001010000001 |
3 | 212111022112122 |
4 | 233220022001 |
5 | 11144011444 |
6 | 1123334025 |
7 | 211060100 |
oct | 57501201 |
9 | 25438478 |
10 | 12485249 |
11 | 7058397 |
12 | 4221315 |
13 | 2781b2a |
14 | 1930037 |
15 | 11694ee |
hex | be8281 |
12485249 has 12 divisors (see below), whose sum is σ = 14744304. Its totient is φ = 10539144.
The previous prime is 12485233. The next prime is 12485267. The reversal of 12485249 is 94258421.
It is not a de Polignac number, because 12485249 - 24 = 12485233 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12484249) 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, 1382 + ... + 5184.
It is an arithmetic number, because the mean of its divisors is an integer number (1228692).
Almost surely, 212485249 is an apocalyptic number.
It is an amenable number.
12485249 is a deficient number, since it is larger than the sum of its proper divisors (2259055).
12485249 is an equidigital number, since it uses as much as digits as its factorization.
12485249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3884 (or 3877 counting only the distinct ones).
The product of its digits is 23040, while the sum is 35.
The square root of 12485249 is about 3533.4471837004. The cubic root of 12485249 is about 231.9881149778.
The spelling of 12485249 in words is "twelve million, four hundred eighty-five thousand, two hundred forty-nine".
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