13481748 has 96 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 3621888.

The previous prime is 13481729. The next prime is 13481753. The reversal of 13481748 is 84718431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12328 + ... + 13376.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

Almost surely, 2^13481748 is an apocalyptic number.

13481748 is a gapful number since it is divisible by the number (18) 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 13481748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21168000).

13481748 is an abundant number, since it is smaller than the sum of its proper divisors (28854252).

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

13481748 is a wasteful number, since it uses less digits than its factorization.

13481748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1078 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 13481748 is about 3671.7499914891. The cubic root of 13481748 is about 238.0028010875.

The spelling of 13481748 in words is "thirteen million, four hundred eighty-one thousand, seven hundred forty-eight".