13205066 has 8 divisors (see below), whose sum is σ = 22637280. Its totient is φ = 5659308.

The previous prime is 13205029. The next prime is 13205069. The reversal of 13205066 is 66050231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13205069) 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, 471596 + ... + 471623.

It is an arithmetic number, because the mean of its divisors is an integer number (2829660).

Almost surely, 2^13205066 is an apocalyptic number.

13205066 is a deficient number, since it is larger than the sum of its proper divisors (9432214).

13205066 is an equidigital number, since it uses as much as digits as its factorization.

13205066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943228.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13205066 is about 3633.8775433413. The cubic root of 13205066 is about 236.3633801593.

Adding to 13205066 its reverse (66050231), we get a palindrome (79255297).

The spelling of 13205066 in words is "thirteen million, two hundred five thousand, sixty-six".