Base | Representation |
---|---|
bin | 110010010011… |
… | …100000110111 |
3 | 220210222100010 |
4 | 302103200313 |
5 | 11333442002 |
6 | 1150351303 |
7 | 220042302 |
oct | 62234067 |
9 | 26728303 |
10 | 13187127 |
11 | 7497758 |
12 | 44bb533 |
13 | 2969445 |
14 | 1a73b39 |
15 | 125746c |
hex | c93837 |
13187127 has 4 divisors (see below), whose sum is σ = 17582840. Its totient is φ = 8791416.
The previous prime is 13187113. The next prime is 13187129. The reversal of 13187127 is 72178131.
13187127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 13187127 - 211 = 13185079 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13187094 and 13187103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13187129) 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, 2197852 + ... + 2197857.
It is an arithmetic number, because the mean of its divisors is an integer number (4395710).
Almost surely, 213187127 is an apocalyptic number.
13187127 is a deficient number, since it is larger than the sum of its proper divisors (4395713).
13187127 is an equidigital number, since it uses as much as digits as its factorization.
13187127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4395712.
The product of its digits is 2352, while the sum is 30.
The square root of 13187127 is about 3631.4084044624. The cubic root of 13187127 is about 236.2562989278.
The spelling of 13187127 in words is "thirteen million, one hundred eighty-seven thousand, one hundred twenty-seven".
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