Search a number
-
+
13213166 = 219334231
BaseRepresentation
bin110010011001…
…110111101110
3220212022001112
4302121313232
511340310131
61151112022
7220211231
oct62316756
926768045
1013213166
11750527a
124512612
132978255
141a7d418
15126002b
hexc99dee

13213166 has 8 divisors (see below), whose sum is σ = 19923024. Its totient is φ = 6572160.

The previous prime is 13213159. The next prime is 13213229. The reversal of 13213166 is 66131231.

It is a happy number.

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

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, 16730 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (2490378).

Almost surely, 213213166 is an apocalyptic number.

13213166 is a deficient number, since it is larger than the sum of its proper divisors (6709858).

13213166 is a wasteful number, since it uses less digits than its factorization.

13213166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34426.

The product of its digits is 648, while the sum is 23.

The square root of 13213166 is about 3634.9918844476. The cubic root of 13213166 is about 236.4116987882.

Adding to 13213166 its reverse (66131231), we get a palindrome (79344397).

The spelling of 13213166 in words is "thirteen million, two hundred thirteen thousand, one hundred sixty-six".

Divisors: 1 2 193 386 34231 68462 6606583 13213166