13172066 has 8 divisors (see below), whose sum is σ = 20053200. Its totient is φ = 6487668.

The previous prime is 13172053. The next prime is 13172083. The reversal of 13172066 is 66027131.

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

It is an unprimeable number.

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, 49016 + ... + 49283.

It is an arithmetic number, because the mean of its divisors is an integer number (2506650).

Almost surely, 2^13172066 is an apocalyptic number.

13172066 is a deficient number, since it is larger than the sum of its proper divisors (6881134).

13172066 is an equidigital number, since it uses as much as digits as its factorization.

13172066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98368.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13172066 is about 3629.3340987019. The cubic root of 13172066 is about 236.1663219979.

Adding to 13172066 its reverse (66027131), we get a palindrome (79199197).

The spelling of 13172066 in words is "thirteen million, one hundred seventy-two thousand, sixty-six".