Search a number
-
+
13133223 = 325924733
BaseRepresentation
bin110010000110…
…010110100111
3220201020101200
4302012112213
511330230343
61145253543
7216426165
oct62062647
926636350
1013133223
117460204
1244942b3
13294aa4c
141a5c235
1512464d3
hexc865a7

13133223 has 12 divisors (see below), whose sum is σ = 19292520. Its totient is φ = 8606736.

The previous prime is 13133213. The next prime is 13133233. The reversal of 13133223 is 32233131.

13133223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13133213) and next prime (13133233).

It is not a de Polignac number, because 13133223 - 28 = 13132967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13133196 and 13133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11836 + ... + 12897.

It is an arithmetic number, because the mean of its divisors is an integer number (1607710).

Almost surely, 213133223 is an apocalyptic number.

13133223 is a deficient number, since it is larger than the sum of its proper divisors (6159297).

13133223 is a wasteful number, since it uses less digits than its factorization.

13133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24798 (or 24795 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 13133223 is about 3623.9788906670. The cubic root of 13133223 is about 235.9339504429.

Adding to 13133223 its reverse (32233131), we get a palindrome (45366354).

The spelling of 13133223 in words is "thirteen million, one hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 3 9 59 177 531 24733 74199 222597 1459247 4377741 13133223