13045666 has 8 divisors (see below), whose sum is σ = 20598480. Its totient is φ = 6179508.

The previous prime is 13045663. The next prime is 13045687. The reversal of 13045666 is 66654031.

13045666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13045663) 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, 171616 + ... + 171691.

It is an arithmetic number, because the mean of its divisors is an integer number (2574810).

Almost surely, 2^13045666 is an apocalyptic number.

13045666 is a deficient number, since it is larger than the sum of its proper divisors (7552814).

13045666 is a wasteful number, since it uses less digits than its factorization.

13045666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343328.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 13045666 is about 3611.8784586417. The cubic root of 13045666 is about 235.4084702222.

Adding to 13045666 its reverse (66654031), we get a palindrome (79699697).

It can be divided in two parts, 130 and 45666, that added together give a square (45796 = 214²).

The spelling of 13045666 in words is "thirteen million, forty-five thousand, six hundred sixty-six".