Base | Representation |
---|---|
bin | 101111100011… |
… | …001101110101 |
3 | 212110021210011 |
4 | 233203031311 |
5 | 11142340023 |
6 | 1123100221 |
7 | 210644101 |
oct | 57431565 |
9 | 25407704 |
10 | 12465013 |
11 | 7044170 |
12 | 4211671 |
13 | 2775862 |
14 | 1926901 |
15 | 116350d |
hex | be3375 |
12465013 has 4 divisors (see below), whose sum is σ = 13598208. Its totient is φ = 11331820.
The previous prime is 12465001. The next prime is 12465049. The reversal of 12465013 is 31056421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31056421 = 11 ⋅2823311.
It is a cyclic number.
It is not a de Polignac number, because 12465013 - 25 = 12464981 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12465053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566581 + ... + 566602.
It is an arithmetic number, because the mean of its divisors is an integer number (3399552).
Almost surely, 212465013 is an apocalyptic number.
It is an amenable number.
12465013 is a deficient number, since it is larger than the sum of its proper divisors (1133195).
12465013 is a wasteful number, since it uses less digits than its factorization.
12465013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133194.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 12465013 is about 3530.5825298384. The cubic root of 12465013 is about 231.8627123244.
The spelling of 12465013 in words is "twelve million, four hundred sixty-five thousand, thirteen".
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