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13143 = 313337
BaseRepresentation
bin11001101010111
3200000210
43031113
5410033
6140503
753214
oct31527
920023
1013143
119969
127733
135ca0
144b0b
153d63
hex3357

13143 has 8 divisors (see below), whose sum is σ = 18928. Its totient is φ = 8064.

The previous prime is 13127. The next prime is 13147. The reversal of 13143 is 34131.

Subtracting from 13143 its sum of digits (12), we obtain a palindrome (13131).

Adding to 13143 its reverse (34131), we get a palindrome (47274).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13143 - 24 = 13127 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 207.

It is an arithmetic number, because the mean of its divisors is an integer number (2366).

213143 is an apocalyptic number.

13143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13143 is a deficient number, since it is larger than the sum of its proper divisors (5785).

13143 is a wasteful number, since it uses less digits than its factorization.

13143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its digits is 36, while the sum is 12.

The square root of 13143 is about 114.6429238985. The cubic root of 13143 is about 23.5992482764.

The spelling of 13143 in words is "thirteen thousand, one hundred forty-three".

Divisors: 1 3 13 39 337 1011 4381 13143