13132213 has 4 divisors (see below), whose sum is σ = 13150060. Its totient is φ = 13114368.

The previous prime is 13132193. The next prime is 13132219. The reversal of 13132213 is 31223131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5414929 + 7717284 = 2327^2 + 2778^2 .

It is a cyclic number.

It is not a de Polignac number, because 13132213 - 2¹³ = 13124021 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 (13132219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7770 + ... + 9307.

It is an arithmetic number, because the mean of its divisors is an integer number (3287515).

Almost surely, 2^13132213 is an apocalyptic number.

It is an amenable number.

13132213 is a deficient number, since it is larger than the sum of its proper divisors (17847).

13132213 is an equidigital number, since it uses as much as digits as its factorization.

13132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846.

The product of its digits is 108, while the sum is 16.

The square root of 13132213 is about 3623.8395383902. The cubic root of 13132213 is about 235.9279021840.

Adding to 13132213 its reverse (31223131), we get a palindrome (44355344).

The spelling of 13132213 in words is "thirteen million, one hundred thirty-two thousand, two hundred thirteen".