13122213 has 16 divisors (see below), whose sum is σ = 19662720. Its totient is φ = 7723584.

The previous prime is 13122211. The next prime is 13122227. The reversal of 13122213 is 31222131.

It is not a de Polignac number, because 13122213 - 2¹ = 13122211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13122192 and 13122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122211) 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 15 ways as a sum of consecutive naturals, for example, 6418 + ... + 8211.

It is an arithmetic number, because the mean of its divisors is an integer number (1228920).

Almost surely, 2^13122213 is an apocalyptic number.

13122213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13122213 is a deficient number, since it is larger than the sum of its proper divisors (6540507).

13122213 is a wasteful number, since it uses less digits than its factorization.

13122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14668.

The product of its digits is 72, while the sum is 15.

The square root of 13122213 is about 3622.4595235834. The cubic root of 13122213 is about 235.8680016903.

Adding to 13122213 its reverse (31222131), we get a palindrome (44344344).

The spelling of 13122213 in words is "thirteen million, one hundred twenty-two thousand, two hundred thirteen".