13126213 has 2 divisors, whose sum is σ = 13126214. Its totient is φ = 13126212.

The previous prime is 13126189. The next prime is 13126219. The reversal of 13126213 is 31262131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10870209 + 2256004 = 3297^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 13126213 - 2⁵ = 13126181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563106 + 6563107.

It is an arithmetic number, because the mean of its divisors is an integer number (6563107).

Almost surely, 2^13126213 is an apocalyptic number.

It is an amenable number.

13126213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126213 is an equidigital number, since it uses as much as digits as its factorization.

13126213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 13126213 is about 3623.0115925843. The cubic root of 13126213 is about 235.8919655384.

Adding to 13126213 its reverse (31262131), we get a palindrome (44388344).

The spelling of 13126213 in words is "thirteen million, one hundred twenty-six thousand, two hundred thirteen".