13213285 has 8 divisors (see below), whose sum is σ = 16367616. Its totient is φ = 10229520.

The previous prime is 13213283. The next prime is 13213289. The reversal of 13213285 is 58231231.

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

It is not a de Polignac number, because 13213285 - 2¹ = 13213283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42469 + ... + 42778.

It is an arithmetic number, because the mean of its divisors is an integer number (2045952).

Almost surely, 2^13213285 is an apocalyptic number.

It is an amenable number.

13213285 is a deficient number, since it is larger than the sum of its proper divisors (3154331).

13213285 is an equidigital number, since it uses as much as digits as its factorization.

13213285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85283.

The product of its digits is 1440, while the sum is 25.

The square root of 13213285 is about 3635.0082530855. The cubic root of 13213285 is about 236.4124085073.

The spelling of 13213285 in words is "thirteen million, two hundred thirteen thousand, two hundred eighty-five".