13170666 has 16 divisors (see below), whose sum is σ = 26396064. Its totient is φ = 4381104.

The previous prime is 13170653. The next prime is 13170671. The reversal of 13170666 is 66607131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (1649754).

Almost surely, 2^13170666 is an apocalyptic number.

13170666 is an abundant number, since it is smaller than the sum of its proper divisors (13225398).

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

13170666 is a wasteful number, since it uses less digits than its factorization.

13170666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13170666 is about 3629.1412207298. The cubic root of 13170666 is about 236.1579546807.

Adding to 13170666 its reverse (66607131), we get a palindrome (79777797).

The spelling of 13170666 in words is "thirteen million, one hundred seventy thousand, six hundred sixty-six".