13321349 has 2 divisors, whose sum is σ = 13321350. Its totient is φ = 13321348.

The previous prime is 13321339. The next prime is 13321361. The reversal of 13321349 is 94312331.

It is a happy number.

13321349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 1036324 = 3505^2 + 1018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13321349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660674 + 6660675.

It is an arithmetic number, because the mean of its divisors is an integer number (6660675).

Almost surely, 2^13321349 is an apocalyptic number.

It is an amenable number.

13321349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321349 is an equidigital number, since it uses as much as digits as its factorization.

13321349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 13321349 is about 3649.8423253615. The cubic root of 13321349 is about 237.0551540114.

The spelling of 13321349 in words is "thirteen million, three hundred twenty-one thousand, three hundred forty-nine".