Search a number
-
+
13206236 = 226749277
BaseRepresentation
bin110010011000…
…001011011100
3220211221112212
4302120023130
511340044421
61151015552
7220152101
oct62301334
926757485
1013206236
11750004a
12450a5b8
132975054
141a7aaa8
15125ce5b
hexc982dc

13206236 has 12 divisors (see below), whose sum is σ = 23456328. Its totient is φ = 6504432.

The previous prime is 13206233. The next prime is 13206253. The reversal of 13206236 is 63260231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13206233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24371 + ... + 24906.

It is an arithmetic number, because the mean of its divisors is an integer number (1954694).

Almost surely, 213206236 is an apocalyptic number.

It is an amenable number.

13206236 is a deficient number, since it is larger than the sum of its proper divisors (10250092).

13206236 is a wasteful number, since it uses less digits than its factorization.

13206236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49348 (or 49346 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13206236 is about 3634.0385248371. The cubic root of 13206236 is about 236.3703607375.

Adding to 13206236 its reverse (63260231), we get a palindrome (76466467).

The spelling of 13206236 in words is "thirteen million, two hundred six thousand, two hundred thirty-six".

Divisors: 1 2 4 67 134 268 49277 98554 197108 3301559 6603118 13206236