13073213 has 2 divisors, whose sum is σ = 13073214. Its totient is φ = 13073212.

The previous prime is 13073201. The next prime is 13073239. The reversal of 13073213 is 31237031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10125124 + 2948089 = 3182^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 13073213 - 2⁶ = 13073149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13073243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6536606 + 6536607.

It is an arithmetic number, because the mean of its divisors is an integer number (6536607).

Almost surely, 2^13073213 is an apocalyptic number.

It is an amenable number.

13073213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13073213 is an equidigital number, since it uses as much as digits as its factorization.

13073213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 13073213 is about 3615.6898373616. The cubic root of 13073213 is about 235.5740485346.

The spelling of 13073213 in words is "thirteen million, seventy-three thousand, two hundred thirteen".