13750744 has 64 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 5591040.

The previous prime is 13750729. The next prime is 13750747. The reversal of 13750744 is 44705731.

13750744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13750747) 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, 121632 + ... + 121744.

It is an arithmetic number, because the mean of its divisors is an integer number (484785).

Almost surely, 2^13750744 is an apocalyptic number.

13750744 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 13750744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15513120).

13750744 is an abundant number, since it is smaller than the sum of its proper divisors (17275496).

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

13750744 is a wasteful number, since it uses less digits than its factorization.

13750744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 13750744 is about 3708.1995631303. The cubic root of 13750744 is about 239.5753137648.

The spelling of 13750744 in words is "thirteen million, seven hundred fifty thousand, seven hundred forty-four".