13449713 has 4 divisors (see below), whose sum is σ = 13464948. Its totient is φ = 13434480.

The previous prime is 13449697. The next prime is 13449727. The reversal of 13449713 is 31794431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31794431 = 577 ⋅55103.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 10549504 = 1703^2 + 3248^2 .

It is a cyclic number.

It is not a de Polignac number, because 13449713 - 2⁴ = 13449697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13449713.

It is not an unprimeable number, because it can be changed into a prime (13449113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6206 + ... + 8087.

It is an arithmetic number, because the mean of its divisors is an integer number (3366237).

Almost surely, 2^13449713 is an apocalyptic number.

It is an amenable number.

13449713 is a deficient number, since it is larger than the sum of its proper divisors (15235).

13449713 is an equidigital number, since it uses as much as digits as its factorization.

13449713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234.

The product of its digits is 9072, while the sum is 32.

The square root of 13449713 is about 3667.3850356896. The cubic root of 13449713 is about 237.8141394316.

The spelling of 13449713 in words is "thirteen million, four hundred forty-nine thousand, seven hundred thirteen".