13311213 has 16 divisors (see below), whose sum is σ = 18110400. Its totient is φ = 8695296.

The previous prime is 13311169. The next prime is 13311217. The reversal of 13311213 is 31211331.

It is not a de Polignac number, because 13311213 - 2⁹ = 13310701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311192 and 13311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43206 + ... + 43512.

It is an arithmetic number, because the mean of its divisors is an integer number (1131900).

Almost surely, 2^13311213 is an apocalyptic number.

It is an amenable number.

13311213 is a deficient number, since it is larger than the sum of its proper divisors (4799187).

13311213 is a wasteful number, since it uses less digits than its factorization.

13311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its digits is 54, while the sum is 15.

The square root of 13311213 is about 3648.4535079949. The cubic root of 13311213 is about 236.9950149390.

Adding to 13311213 its reverse (31211331), we get a palindrome (44522544).

The spelling of 13311213 in words is "thirteen million, three hundred eleven thousand, two hundred thirteen".