Search a number
-
+
13213135 = 513203279
BaseRepresentation
bin110010011001…
…110111001111
3220212022000101
4302121313033
511340310020
61151111531
7220211155
oct62316717
926768011
1013213135
117505251
1245125a7
132978230
141a7d3d5
15126000a
hexc99dcf

13213135 has 8 divisors (see below), whose sum is σ = 17075520. Its totient is φ = 9757344.

The previous prime is 13213129. The next prime is 13213139. The reversal of 13213135 is 53131231.

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 13213135 - 23 = 13213127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213139) 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, 101575 + ... + 101704.

It is an arithmetic number, because the mean of its divisors is an integer number (2134440).

Almost surely, 213213135 is an apocalyptic number.

13213135 is a deficient number, since it is larger than the sum of its proper divisors (3862385).

13213135 is a wasteful number, since it uses less digits than its factorization.

13213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203297.

The product of its digits is 270, while the sum is 19.

The square root of 13213135 is about 3634.9876203366. The cubic root of 13213135 is about 236.4115139027.

Adding to 13213135 its reverse (53131231), we get a palindrome (66344366).

The spelling of 13213135 in words is "thirteen million, two hundred thirteen thousand, one hundred thirty-five".

Divisors: 1 5 13 65 203279 1016395 2642627 13213135