13261213 has 12 divisors (see below), whose sum is σ = 15555072. Its totient is φ = 11271960.

The previous prime is 13261187. The next prime is 13261219. The reversal of 13261213 is 31216231.

It is not a de Polignac number, because 13261213 - 2⁹ = 13260701 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 (13261219) 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 11 ways as a sum of consecutive naturals, for example, 5158 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (1296256).

Almost surely, 2^13261213 is an apocalyptic number.

It is an amenable number.

13261213 is a deficient number, since it is larger than the sum of its proper divisors (2293859).

13261213 is a wasteful number, since it uses less digits than its factorization.

13261213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2265 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 13261213 is about 3641.5948429225. The cubic root of 13261213 is about 236.6979065641.

Adding to 13261213 its reverse (31216231), we get a palindrome (44477444).

The spelling of 13261213 in words is "thirteen million, two hundred sixty-one thousand, two hundred thirteen".