13423744 has 64 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 6082560.

The previous prime is 13423699. The next prime is 13423763. The reversal of 13423744 is 44732431.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67357 + ... + 67555.

It is an arithmetic number, because the mean of its divisors is an integer number (459000).

Almost surely, 2^13423744 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 13423744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14688000).

13423744 is an abundant number, since it is smaller than the sum of its proper divisors (15952256).

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

13423744 is a wasteful number, since it uses less digits than its factorization.

13423744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 249 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 13423744 is about 3663.8427913872. The cubic root of 13423744 is about 237.6609819022.

The spelling of 13423744 in words is "thirteen million, four hundred twenty-three thousand, seven hundred forty-four".