13185213 has 8 divisors (see below), whose sum is σ = 17610048. Its totient is φ = 8775264.

The previous prime is 13185191. The next prime is 13185223. The reversal of 13185213 is 31258131.

13185213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13185213 - 2⁹ = 13184701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13185223) 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, 1456 + ... + 5337.

It is an arithmetic number, because the mean of its divisors is an integer number (2201256).

Almost surely, 2^13185213 is an apocalyptic number.

It is an amenable number.

13185213 is a deficient number, since it is larger than the sum of its proper divisors (4424835).

13185213 is an equidigital number, since it uses as much as digits as its factorization.

13185213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7443.

The product of its digits is 720, while the sum is 24.

The square root of 13185213 is about 3631.1448607843. The cubic root of 13185213 is about 236.2448681733.

The spelling of 13185213 in words is "thirteen million, one hundred eighty-five thousand, two hundred thirteen".