13671744 has 56 divisors (see below), whose sum is σ = 37356288. Its totient is φ = 4408320.

The previous prime is 13671733. The next prime is 13671769. The reversal of 13671744 is 44717631.

It is a congruent number.

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, 4804 + ... + 7100.

Almost surely, 2^13671744 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 13671744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18678144).

13671744 is an abundant number, since it is smaller than the sum of its proper divisors (23684544).

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

13671744 is a wasteful number, since it uses less digits than its factorization.

13671744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2333 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 13671744 is about 3697.5321499616. The cubic root of 13671744 is about 239.1156341291.

The spelling of 13671744 in words is "thirteen million, six hundred seventy-one thousand, seven hundred forty-four".