13344449 has 2 divisors, whose sum is σ = 13344450. Its totient is φ = 13344448.

The previous prime is 13344433. The next prime is 13344451. The reversal of 13344449 is 94444331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 5880625 = 2732^2 + 2425^2 .

It is an emirp because it is prime and its reverse (94444331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13344449 - 2⁴ = 13344433 is a prime.

It is a super-2 number, since 2×13344449² = 356148638227202, which contains 22 as substring.

Together with 13344451, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (13314449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672224 + 6672225.

It is an arithmetic number, because the mean of its divisors is an integer number (6672225).

Almost surely, 2^13344449 is an apocalyptic number.

It is an amenable number.

13344449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344449 is an equidigital number, since it uses as much as digits as its factorization.

13344449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 13344449 is about 3653.0054749480. The cubic root of 13344449 is about 237.1920973966.

The spelling of 13344449 in words is "thirteen million, three hundred forty-four thousand, four hundred forty-nine".