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13130 = 2513101
BaseRepresentation
bin11001101001010
3200000022
43031022
5410010
6140442
753165
oct31512
920008
1013130
119957
127722
135c90
144adc
153d55
hex334a

13130 has 16 divisors (see below), whose sum is σ = 25704. Its totient is φ = 4800.

The previous prime is 13127. The next prime is 13147. The reversal of 13130 is 3131.

Adding to 13130 its reverse (3131), we get a palindrome (16261).

Subtracting from 13130 its reverse (3131), we obtain a palindrome (9999).

It can be divided in two parts, 131 and 30, that added together give a palindrome (161).

13130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11449 + 1681 = 107^2 + 41^2 .

It is a Curzon number.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 180.

213130 is an apocalyptic number.

13130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13130 is a deficient number, since it is larger than the sum of its proper divisors (12574).

13130 is a wasteful number, since it uses less digits than its factorization.

13130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 13130 is about 114.5862120850. The cubic root of 13130 is about 23.5914648826.

The spelling of 13130 in words is "thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 101 130 202 505 1010 1313 2626 6565 13130