Base | Representation |
---|---|
bin | 110011000110… |
… | …011011111101 |
3 | 221012120110101 |
4 | 303012123331 |
5 | 11412130314 |
6 | 1155041101 |
7 | 221601355 |
oct | 63063375 |
9 | 27176411 |
10 | 13395709 |
11 | 761a438 |
12 | 45a0191 |
13 | 2a10372 |
14 | 1ac9b65 |
15 | 1299174 |
hex | cc66fd |
13395709 has 4 divisors (see below), whose sum is σ = 13857660. Its totient is φ = 12933760.
The previous prime is 13395691. The next prime is 13395713. The reversal of 13395709 is 90759331.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9180900 + 4214809 = 3030^2 + 2053^2 .
It is a cyclic number.
It is not a de Polignac number, because 13395709 - 27 = 13395581 is a prime.
It is a super-2 number, since 2×133957092 = 358890039225362, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13395749) 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, 230932 + ... + 230989.
It is an arithmetic number, because the mean of its divisors is an integer number (3464415).
Almost surely, 213395709 is an apocalyptic number.
It is an amenable number.
13395709 is a deficient number, since it is larger than the sum of its proper divisors (461951).
13395709 is an equidigital number, since it uses as much as digits as its factorization.
13395709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461950.
The product of its (nonzero) digits is 25515, while the sum is 37.
The square root of 13395709 is about 3660.0148906801. The cubic root of 13395709 is about 237.4954178248.
The spelling of 13395709 in words is "thirteen million, three hundred ninety-five thousand, seven hundred nine".
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