Search a number
-
+
13230011 = 82915959
BaseRepresentation
bin110010011101…
…111110111011
3220220011011102
4302131332323
511341330021
61151322015
7220311314
oct62357673
926804142
1013230011
1175169a3
12452030b
132982b12
141a8560b
15126500b
hexc9dfbb

13230011 has 4 divisors (see below), whose sum is σ = 13246800. Its totient is φ = 13213224.

The previous prime is 13230001. The next prime is 13230013. The reversal of 13230011 is 11003231.

13230011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11003231 = 109310067.

It is a cyclic number.

It is not a de Polignac number, because 13230011 - 222 = 9035707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13229974 and 13230001.

It is not an unprimeable number, because it can be changed into a prime (13230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (3311700).

Almost surely, 213230011 is an apocalyptic number.

13230011 is a deficient number, since it is larger than the sum of its proper divisors (16789).

13230011 is an equidigital number, since it uses as much as digits as its factorization.

13230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16788.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13230011 is about 3637.3082080022. The cubic root of 13230011 is about 236.5121204420.

Adding to 13230011 its reverse (11003231), we get a palindrome (24233242).

The spelling of 13230011 in words is "thirteen million, two hundred thirty thousand, eleven".

Divisors: 1 829 15959 13230011