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13118 = 27937
BaseRepresentation
bin11001100111110
3122222212
43030332
5404433
6140422
753150
oct31476
918885
1013118
119946
127712
135c81
144ad0
153d48
hex333e

13118 has 8 divisors (see below), whose sum is σ = 22512. Its totient is φ = 5616.

The previous prime is 13109. The next prime is 13121. The reversal of 13118 is 81131.

Added to its reverse (81131) it gives a square (94249 = 3072).

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 937 = 13118 / (1 + 3 + 1 + 1 + 8).

It is a magnanimous number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455 + ... + 482.

It is an arithmetic number, because the mean of its divisors is an integer number (2814).

213118 is an apocalyptic number.

13118 is a deficient number, since it is larger than the sum of its proper divisors (9394).

13118 is an equidigital number, since it uses as much as digits as its factorization.

13118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 24, while the sum is 14.

The square root of 13118 is about 114.5338377948. The cubic root of 13118 is about 23.5842756501.

Adding to 13118 its reverse (81131), we get a palindrome (94249).

It can be divided in two parts, 13 and 118, that added together give a palindrome (131).

The spelling of 13118 in words is "thirteen thousand, one hundred eighteen".

Divisors: 1 2 7 14 937 1874 6559 13118