13325648 has 60 divisors (see below), whose sum is σ = 31381920. Its totient is φ = 5455296.

The previous prime is 13325623. The next prime is 13325677. The reversal of 13325648 is 84652331.

It is a nialpdrome in base 16.

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 11 ways as a sum of consecutive naturals, for example, 17663 + ... + 18401.

It is an arithmetic number, because the mean of its divisors is an integer number (523032).

Almost surely, 2^13325648 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 13325648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15690960).

13325648 is an abundant number, since it is smaller than the sum of its proper divisors (18056272).

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

13325648 is a wasteful number, since it uses less digits than its factorization.

13325648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 771 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 13325648 is about 3650.4312074055. The cubic root of 13325648 is about 237.0806516918.

Adding to 13325648 its reverse (84652331), we get a palindrome (97977979).

The spelling of 13325648 in words is "thirteen million, three hundred twenty-five thousand, six hundred forty-eight".