Search a number
-
+
13227733 = 36313643
BaseRepresentation
bin110010011101…
…011011010101
3220220001001001
4302131123111
511341241413
61151303301
7220301551
oct62353325
926801031
1013227733
117515212
12451ab31
132981a7c
141a84861
1512644dd
hexc9d6d5

13227733 has 4 divisors (see below), whose sum is σ = 13235008. Its totient is φ = 13220460.

The previous prime is 13227719. The next prime is 13227749. The reversal of 13227733 is 33772231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33772231 = 37912763.

It is a cyclic number.

It is not a de Polignac number, because 13227733 - 25 = 13227701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (3308752).

Almost surely, 213227733 is an apocalyptic number.

It is an amenable number.

13227733 is a deficient number, since it is larger than the sum of its proper divisors (7275).

13227733 is an equidigital number, since it uses as much as digits as its factorization.

13227733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its digits is 5292, while the sum is 28.

The square root of 13227733 is about 3636.9950508627. The cubic root of 13227733 is about 236.4985451059.

Adding to 13227733 its reverse (33772231), we get a palindrome (46999964).

The spelling of 13227733 in words is "thirteen million, two hundred twenty-seven thousand, seven hundred thirty-three".

Divisors: 1 3631 3643 13227733