13745472 has 56 divisors (see below), whose sum is σ = 39172896. Its totient is φ = 4228608.

The previous prime is 13745461. The next prime is 13745489. The reversal of 13745472 is 27454731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (699516).

Almost surely, 2^13745472 is an apocalyptic number.

13745472 is a gapful number since it is divisible by the number (12) 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 13745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19586448).

13745472 is an abundant number, since it is smaller than the sum of its proper divisors (25427424).

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

13745472 is a wasteful number, since it uses less digits than its factorization.

13745472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5525 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 13745472 is about 3707.4886378787. The cubic root of 13745472 is about 239.5446923306.

It can be divided in two parts, 1 and 3745472, that added together give a palindrome (3745473).

The spelling of 13745472 in words is "thirteen million, seven hundred forty-five thousand, four hundred seventy-two".