13179385 has 4 divisors (see below), whose sum is σ = 15815268. Its totient is φ = 10543504.

The previous prime is 13179377. The next prime is 13179401. The reversal of 13179385 is 58397131.

It is a happy number.

13179385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58397131 = 13 ⋅4492087.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 10679824 = 1581^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 13179385 - 2³ = 13179377 is a prime.

It is a Duffinian 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, 1317934 + ... + 1317943.

It is an arithmetic number, because the mean of its divisors is an integer number (3953817).

Almost surely, 2^13179385 is an apocalyptic number.

It is an amenable number.

13179385 is a deficient number, since it is larger than the sum of its proper divisors (2635883).

13179385 is an equidigital number, since it uses as much as digits as its factorization.

13179385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635882.

The product of its digits is 22680, while the sum is 37.

The square root of 13179385 is about 3630.3422703652. The cubic root of 13179385 is about 236.2100554883.

The spelling of 13179385 in words is "thirteen million, one hundred seventy-nine thousand, three hundred eighty-five".