13448689 has 4 divisors (see below), whose sum is σ = 13461156. Its totient is φ = 13436224.

The previous prime is 13448657. The next prime is 13448693. The reversal of 13448689 is 98684431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98684431 = 5791 ⋅17041.

It can be written as a sum of positive squares in 2 ways, for example, as 5085025 + 8363664 = 2255^2 + 2892^2 .

It is a cyclic number.

It is not a de Polignac number, because 13448689 - 2⁵ = 13448657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13448639) 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, 4444 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (3365289).

Almost surely, 2^13448689 is an apocalyptic number.

It is an amenable number.

13448689 is a deficient number, since it is larger than the sum of its proper divisors (12467).

13448689 is a wasteful number, since it uses less digits than its factorization.

13448689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466.

The product of its digits is 165888, while the sum is 43.

The square root of 13448689 is about 3667.2454240206. The cubic root of 13448689 is about 237.8081039160.

The spelling of 13448689 in words is "thirteen million, four hundred forty-eight thousand, six hundred eighty-nine".