Base | Representation |
---|---|
bin | 101111011001… |
… | …011110101101 |
3 | 212101021002010 |
4 | 233121132231 |
5 | 11140101013 |
6 | 1122151433 |
7 | 210416610 |
oct | 57313655 |
9 | 25337063 |
10 | 12425133 |
11 | 7017206 |
12 | 41b2579 |
13 | 2760666 |
14 | 1916177 |
15 | 11567c3 |
hex | bd97ad |
12425133 has 8 divisors (see below), whose sum is σ = 18933568. Its totient is φ = 7100064.
The previous prime is 12425131. The next prime is 12425143. The reversal of 12425133 is 33152421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12425133 - 21 = 12425131 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 591673 = 12425133 / (1 + 2 + 4 + 2 + 5 + 1 + 3 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12425131) 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, 295816 + ... + 295857.
It is an arithmetic number, because the mean of its divisors is an integer number (2366696).
Almost surely, 212425133 is an apocalyptic number.
It is an amenable number.
12425133 is a deficient number, since it is larger than the sum of its proper divisors (6508435).
12425133 is an equidigital number, since it uses as much as digits as its factorization.
12425133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591683.
The product of its digits is 720, while the sum is 21.
The square root of 12425133 is about 3524.9302120751. The cubic root of 12425133 is about 231.6151777871.
Adding to 12425133 its reverse (33152421), we get a palindrome (45577554).
The spelling of 12425133 in words is "twelve million, four hundred twenty-five thousand, one hundred thirty-three".
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