Base | Representation |
---|---|
bin | 101110000010… |
… | …111100110101 |
3 | 211201020220022 |
4 | 232002330311 |
5 | 11042230314 |
6 | 1110414525 |
7 | 204412400 |
oct | 56027465 |
9 | 24636808 |
10 | 12070709 |
11 | 68a49a2 |
12 | 4061445 |
13 | 2668241 |
14 | 1862d37 |
15 | 10d678e |
hex | b82f35 |
12070709 has 12 divisors (see below), whose sum is σ = 14129388. Its totient is φ = 10281600.
The previous prime is 12070703. The next prime is 12070711. The reversal of 12070709 is 90707021.
It can be written as a sum of positive squares in 2 ways, for example, as 828100 + 11242609 = 910^2 + 3353^2 .
It is a de Polignac number, because none of the positive numbers 2k-12070709 is a prime.
It is a super-4 number, since 4×120707094 (a number of 29 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12070703) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8189 + ... + 9549.
It is an arithmetic number, because the mean of its divisors is an integer number (1177449).
Almost surely, 212070709 is an apocalyptic number.
It is an amenable number.
12070709 is a deficient number, since it is larger than the sum of its proper divisors (2058679).
12070709 is a wasteful number, since it uses less digits than its factorization.
12070709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1556 (or 1549 counting only the distinct ones).
The product of its (nonzero) digits is 882, while the sum is 26.
The square root of 12070709 is about 3474.2925898663. The cubic root of 12070709 is about 229.3916437175.
The spelling of 12070709 in words is "twelve million, seventy thousand, seven hundred nine".
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