Search a number
13069 = 71867
BaseRepresentation
bin11001100001101
3122221001
43030031
5404234
6140301
753050
oct31415
918831
1013069
119901
127691
135c44
144a97
153d14
hex330d

13069 has 4 divisors (see below), whose sum is σ = 14944. Its totient is φ = 11196.

The previous prime is 13063. The next prime is 13093. The reversal of 13069 is 96031.

13069 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13069 - 25 = 13037 is a prime.

It is a super-2 number, since 2×130692 = 341597522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 927 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (3736).

213069 is an apocalyptic number.

It is an amenable number.

13069 is a deficient number, since it is larger than the sum of its proper divisors (1875).

13069 is an equidigital number, since it uses as much as digits as its factorization.

13069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 13069 is about 114.3197270815. The cubic root of 13069 is about 23.5548740293.

Adding to 13069 its product of nonzero digits (162), we get a palindrome (13231).

The spelling of 13069 in words is "thirteen thousand, sixty-nine".

Divisors: 1 7 1867 13069