13330506 has 32 divisors (see below), whose sum is σ = 30578688. Its totient is φ = 3795120.

The previous prime is 13330489. The next prime is 13330523. The reversal of 13330506 is 60503331.

It is an interprime number because it is at equal distance from previous prime (13330489) and next prime (13330523).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20811 + ... + 21441.

It is an arithmetic number, because the mean of its divisors is an integer number (955584).

Almost surely, 2^13330506 is an apocalyptic number.

13330506 is an abundant number, since it is smaller than the sum of its proper divisors (17248182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13330506 is a wasteful number, since it uses less digits than its factorization.

13330506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 13330506 is about 3651.0965476142. The cubic root of 13330506 is about 237.1094582428.

Adding to 13330506 its reverse (60503331), we get a palindrome (73833837).

The spelling of 13330506 in words is "thirteen million, three hundred thirty thousand, five hundred six".