13734644 has 48 divisors (see below), whose sum is σ = 31557120. Its totient is φ = 5067360.

The previous prime is 13734641. The next prime is 13734667. The reversal of 13734644 is 44643731.

13734644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13734644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13734641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4679 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (657440).

Almost surely, 2^13734644 is an apocalyptic number.

13734644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13734644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15778560).

13734644 is an abundant number, since it is smaller than the sum of its proper divisors (17822476).

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

13734644 is a wasteful number, since it uses less digits than its factorization.

13734644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 2386 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 13734644 is about 3706.0280624949. The cubic root of 13734644 is about 239.4817753372.

The spelling of 13734644 in words is "thirteen million, seven hundred thirty-four thousand, six hundred forty-four".