Base | Representation |
---|---|
bin | 110000101001… |
… | …011001111001 |
3 | 212222220011000 |
4 | 300221121321 |
5 | 11231040010 |
6 | 1133155213 |
7 | 213252213 |
oct | 60513171 |
9 | 25886130 |
10 | 12752505 |
11 | 7220167 |
12 | 432bb09 |
13 | 284667c |
14 | 199d5b3 |
15 | 11bd7c0 |
hex | c29679 |
12752505 has 16 divisors (see below), whose sum is σ = 22671360. Its totient is φ = 6801264.
The previous prime is 12752503. The next prime is 12752521. The reversal of 12752505 is 50525721.
It is a happy number.
12752505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12752505 - 21 = 12752503 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (12752503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47097 + ... + 47366.
It is an arithmetic number, because the mean of its divisors is an integer number (1416960).
Almost surely, 212752505 is an apocalyptic number.
12752505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12752505 is a deficient number, since it is larger than the sum of its proper divisors (9918855).
12752505 is an equidigital number, since it uses as much as digits as its factorization.
12752505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94477 (or 94471 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 27.
The square root of 12752505 is about 3571.0649672052. The cubic root of 12752505 is about 233.6317350021.
The spelling of 12752505 in words is "twelve million, seven hundred fifty-two thousand, five hundred five".
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