13345666 has 8 divisors (see below), whose sum is σ = 20093184. Its totient is φ = 6647940.

The previous prime is 13345649. The next prime is 13345667. The reversal of 13345666 is 66654331.

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

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13345667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11770 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (2511648).

Almost surely, 2^13345666 is an apocalyptic number.

13345666 is a deficient number, since it is larger than the sum of its proper divisors (6747518).

13345666 is a wasteful number, since it uses less digits than its factorization.

13345666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896.

The product of its digits is 38880, while the sum is 34.

The square root of 13345666 is about 3653.1720463181. The cubic root of 13345666 is about 237.1993077357.

Adding to 13345666 its reverse (66654331), we get a palindrome (79999997).

The spelling of 13345666 in words is "thirteen million, three hundred forty-five thousand, six hundred sixty-six".