13326213 has 4 divisors (see below), whose sum is σ = 17768288. Its totient is φ = 8884140.

The previous prime is 13326211. The next prime is 13326217. The reversal of 13326213 is 31262331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31262331 = 3 ⋅10420777.

It is not a de Polignac number, because 13326213 - 2¹ = 13326211 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13326213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13326211) 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 3 ways as a sum of consecutive naturals, for example, 2221033 + ... + 2221038.

It is an arithmetic number, because the mean of its divisors is an integer number (4442072).

Almost surely, 2^13326213 is an apocalyptic number.

It is an amenable number.

13326213 is a deficient number, since it is larger than the sum of its proper divisors (4442075).

13326213 is an equidigital number, since it uses as much as digits as its factorization.

13326213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442074.

The product of its digits is 648, while the sum is 21.

The square root of 13326213 is about 3650.5085947029. The cubic root of 13326213 is about 237.0840023400.

Adding to 13326213 its reverse (31262331), we get a palindrome (44588544).

The spelling of 13326213 in words is "thirteen million, three hundred twenty-six thousand, two hundred thirteen".