Base | Representation |
---|---|
bin | 101111101101… |
… | …010010001101 |
3 | 212112101100120 |
4 | 233231102031 |
5 | 11200200003 |
6 | 1124015153 |
7 | 211205244 |
oct | 57552215 |
9 | 25471316 |
10 | 12506253 |
11 | 7072151 |
12 | 42314b9 |
13 | 278b566 |
14 | 193795b |
15 | 1170853 |
hex | bed48d |
12506253 has 8 divisors (see below), whose sum is σ = 16886400. Its totient is φ = 8231808.
The previous prime is 12506239. The next prime is 12506257. The reversal of 12506253 is 35260521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12506253 - 218 = 12244109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12506257) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26148 + ... + 26621.
It is an arithmetic number, because the mean of its divisors is an integer number (2110800).
Almost surely, 212506253 is an apocalyptic number.
It is an amenable number.
12506253 is a deficient number, since it is larger than the sum of its proper divisors (4380147).
12506253 is an equidigital number, since it uses as much as digits as its factorization.
12506253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52851.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 12506253 is about 3536.4181031094. The cubic root of 12506253 is about 232.1181337029.
Adding to 12506253 its reverse (35260521), we get a palindrome (47766774).
It can be divided in two parts, 1250 and 6253, that added together give a triangular number (7503 = T122).
The spelling of 12506253 in words is "twelve million, five hundred six thousand, two hundred fifty-three".
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