13449911 has 2 divisors, whose sum is σ = 13449912. Its totient is φ = 13449910.

The previous prime is 13449899. The next prime is 13449937. The reversal of 13449911 is 11994431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13449911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13449971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6724955 + 6724956.

It is an arithmetic number, because the mean of its divisors is an integer number (6724956).

Almost surely, 2^13449911 is an apocalyptic number.

13449911 is a deficient number, since it is larger than the sum of its proper divisors (1).

13449911 is an equidigital number, since it uses as much as digits as its factorization.

13449911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 13449911 is about 3667.4120303015. The cubic root of 13449911 is about 237.8153064198.

The spelling of 13449911 in words is "thirteen million, four hundred forty-nine thousand, nine hundred eleven".