13453344 has 96 divisors (see below), whose sum is σ = 41005440. Its totient is φ = 4283136.

The previous prime is 13453339. The next prime is 13453351. The reversal of 13453344 is 44335431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19534 + ... + 20210.

It is an arithmetic number, because the mean of its divisors is an integer number (427140).

Almost surely, 2^13453344 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 13453344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20502720).

13453344 is an abundant number, since it is smaller than the sum of its proper divisors (27552096).

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

13453344 is a wasteful number, since it uses less digits than its factorization.

13453344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 705 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 13453344 is about 3667.8800416589. The cubic root of 13453344 is about 237.8355382884.

Adding to 13453344 its reverse (44335431), we get a palindrome (57788775).

The spelling of 13453344 in words is "thirteen million, four hundred fifty-three thousand, three hundred forty-four".