Search a number
-
+
13179 = 323191
BaseRepresentation
bin11001101111011
3200002010
43031323
5410204
6141003
753265
oct31573
920063
1013179
1199a1
127763
135cca
144b35
153d89
hex337b

13179 has 8 divisors (see below), whose sum is σ = 18432. Its totient is φ = 8360.

The previous prime is 13177. The next prime is 13183. The reversal of 13179 is 97131.

13179 = 122 + 132 + ... + 342.

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

It is a cyclic number.

It is not a de Polignac number, because 13179 - 21 = 13177 is a prime.

It is an Ulam number.

13179 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13171) 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, 27 + ... + 164.

It is an arithmetic number, because the mean of its divisors is an integer number (2304).

213179 is an apocalyptic number.

13179 is a deficient number, since it is larger than the sum of its proper divisors (5253).

13179 is a wasteful number, since it uses less digits than its factorization.

13179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its digits is 189, while the sum is 21.

The square root of 13179 is about 114.7998257838. The cubic root of 13179 is about 23.6207755387.

It can be divided in two parts, 1317 and 9, that added together give a triangular number (1326 = T51).

The spelling of 13179 in words is "thirteen thousand, one hundred seventy-nine".

Divisors: 1 3 23 69 191 573 4393 13179