13311449 has 2 divisors, whose sum is σ = 13311450. Its totient is φ = 13311448.

The previous prime is 13311443. The next prime is 13311451. The reversal of 13311449 is 94411331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13271449 + 40000 = 3643^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311449 - 2⁴ = 13311433 is a prime.

Together with 13311451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13311443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655724 + 6655725.

It is an arithmetic number, because the mean of its divisors is an integer number (6655725).

Almost surely, 2^13311449 is an apocalyptic number.

It is an amenable number.

13311449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311449 is an equidigital number, since it uses as much as digits as its factorization.

13311449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 13311449 is about 3648.4858503220. The cubic root of 13311449 is about 236.9964155250.

The spelling of 13311449 in words is "thirteen million, three hundred eleven thousand, four hundred forty-nine".