Search a number
-
+
13233317 = 113117109
BaseRepresentation
bin110010011110…
…110010100101
3220220022200212
4302132302211
511341431232
61151345205
7220324046
oct62366245
926808625
1013233317
117519429
124522205
132984486
141a868cd
151265eb2
hexc9eca5

13233317 has 4 divisors (see below), whose sum is σ = 13350540. Its totient is φ = 13116096.

The previous prime is 13233313. The next prime is 13233331. The reversal of 13233317 is 71333231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71333231 = 401917749.

It can be written as a sum of positive squares in 2 ways, for example, as 1406596 + 11826721 = 1186^2 + 3439^2 .

It is a cyclic number.

It is not a de Polignac number, because 13233317 - 22 = 13233313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13233292 and 13233301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58442 + ... + 58667.

It is an arithmetic number, because the mean of its divisors is an integer number (3337635).

Almost surely, 213233317 is an apocalyptic number.

It is an amenable number.

13233317 is a deficient number, since it is larger than the sum of its proper divisors (117223).

13233317 is a wasteful number, since it uses less digits than its factorization.

13233317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117222.

The product of its digits is 1134, while the sum is 23.

The square root of 13233317 is about 3637.7626365666. The cubic root of 13233317 is about 236.5318191897.

Adding to 13233317 its reverse (71333231), we get a palindrome (84566548).

The spelling of 13233317 in words is "thirteen million, two hundred thirty-three thousand, three hundred seventeen".

Divisors: 1 113 117109 13233317