Base | Representation |
---|---|
bin | 110000100010… |
… | …110100000000 |
3 | 212221112002222 |
4 | 300202310000 |
5 | 11224204004 |
6 | 1132430212 |
7 | 213110411 |
oct | 60426400 |
9 | 25845088 |
10 | 12725504 |
11 | 7201950 |
12 | 4318368 |
13 | 28372ac |
14 | 1993808 |
15 | 11b57be |
hex | c22d00 |
12725504 has 36 divisors (see below), whose sum is σ = 27716640. Its totient is φ = 5783040.
The previous prime is 12725501. The next prime is 12725513. The reversal of 12725504 is 40552721.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12725501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 5075.
Almost surely, 212725504 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12725504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13858320).
12725504 is an abundant number, since it is smaller than the sum of its proper divisors (14991136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12725504 is an equidigital number, since it uses as much as digits as its factorization.
12725504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4546 (or 4532 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 26.
The square root of 12725504 is about 3567.2824390564. The cubic root of 12725504 is about 233.4667282597.
It can be divided in two parts, 1272 and 5504, that added together give a palindrome (6776).
The spelling of 12725504 in words is "twelve million, seven hundred twenty-five thousand, five hundred four".
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