13172955 has 8 divisors (see below), whose sum is σ = 21076752. Its totient is φ = 7025568.

The previous prime is 13172953. The next prime is 13172959. The reversal of 13172955 is 55927131.

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

It is not a de Polignac number, because 13172955 - 2¹ = 13172953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13172953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439084 + ... + 439113.

It is an arithmetic number, because the mean of its divisors is an integer number (2634594).

Almost surely, 2^13172955 is an apocalyptic number.

13172955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13172955 is a deficient number, since it is larger than the sum of its proper divisors (7903797).

13172955 is an equidigital number, since it uses as much as digits as its factorization.

13172955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878205.

The product of its digits is 9450, while the sum is 33.

The square root of 13172955 is about 3629.4565708932. The cubic root of 13172955 is about 236.1716349366.

The spelling of 13172955 in words is "thirteen million, one hundred seventy-two thousand, nine hundred fifty-five".