13170055 has 4 divisors (see below), whose sum is σ = 15804072. Its totient is φ = 10536040.

The previous prime is 13170029. The next prime is 13170109. The reversal of 13170055 is 55007131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13170055 - 2¹⁵ = 13137287 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 1317001 + ... + 1317010.

It is an arithmetic number, because the mean of its divisors is an integer number (3951018).

Almost surely, 2^13170055 is an apocalyptic number.

13170055 is a deficient number, since it is larger than the sum of its proper divisors (2634017).

13170055 is an equidigital number, since it uses as much as digits as its factorization.

13170055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634016.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 13170055 is about 3629.0570400588. The cubic root of 13170055 is about 236.1543027585.

Adding to 13170055 its reverse (55007131), we get a palindrome (68177186).

The spelling of 13170055 in words is "thirteen million, one hundred seventy thousand, fifty-five".