13391448 has 64 divisors (see below), whose sum is σ = 38784000. Its totient is φ = 3773952.

The previous prime is 13391437. The next prime is 13391449. The reversal of 13391448 is 84419331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12768 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (606000).

Almost surely, 2^13391448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13391448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19392000).

13391448 is an abundant number, since it is smaller than the sum of its proper divisors (25392552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13391448 is a wasteful number, since it uses less digits than its factorization.

13391448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1100 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 13391448 is about 3659.4327429261. The cubic root of 13391448 is about 237.4702337580.

The spelling of 13391448 in words is "thirteen million, three hundred ninety-one thousand, four hundred forty-eight".