Base | Representation |
---|---|
bin | 101111110011… |
… | …000010001111 |
3 | 212120120122221 |
4 | 233303002033 |
5 | 11201423212 |
6 | 1124320211 |
7 | 211334023 |
oct | 57630217 |
9 | 25516587 |
10 | 12529807 |
11 | 7088914 |
12 | 4243067 |
13 | 27991b4 |
14 | 1942383 |
15 | 1177807 |
hex | bf308f |
12529807 has 4 divisors (see below), whose sum is σ = 12647016. Its totient is φ = 12412600.
The previous prime is 12529801. The next prime is 12529817. The reversal of 12529807 is 70892521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70892521 = 7 ⋅10127503.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12529807 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12529801) 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, 58444 + ... + 58657.
It is an arithmetic number, because the mean of its divisors is an integer number (3161754).
Almost surely, 212529807 is an apocalyptic number.
12529807 is a deficient number, since it is larger than the sum of its proper divisors (117209).
12529807 is a wasteful number, since it uses less digits than its factorization.
12529807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117208.
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 12529807 is about 3539.7467423532. The cubic root of 12529807 is about 232.2637643665.
The spelling of 12529807 in words is "twelve million, five hundred twenty-nine thousand, eight hundred seven".
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