13180243 has 4 divisors (see below), whose sum is σ = 13873960. Its totient is φ = 12486528.

The previous prime is 13180241. The next prime is 13180249. The reversal of 13180243 is 34208131.

13180243 is digitally balanced in base 2, 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: 34208131 = 17 ⋅2012243.

It is a cyclic number.

It is not a de Polignac number, because 13180243 - 2¹ = 13180241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13180241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346830 + ... + 346867.

It is an arithmetic number, because the mean of its divisors is an integer number (3468490).

Almost surely, 2^13180243 is an apocalyptic number.

13180243 is a deficient number, since it is larger than the sum of its proper divisors (693717).

13180243 is an equidigital number, since it uses as much as digits as its factorization.

13180243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693716.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13180243 is about 3630.4604391179. The cubic root of 13180243 is about 236.2151812669.

Adding to 13180243 its reverse (34208131), we get a palindrome (47388374).

The spelling of 13180243 in words is "thirteen million, one hundred eighty thousand, two hundred forty-three".