13325780 has 48 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 4864128.

The previous prime is 13325759. The next prime is 13325797. The reversal of 13325780 is 8752331.

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 15 ways as a sum of consecutive naturals, for example, 27581 + ... + 28059.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^13325780 is an apocalyptic number.

13325780 is a gapful number since it is divisible by the number (10) 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 13325780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240960).

13325780 is an abundant number, since it is smaller than the sum of its proper divisors (17156140).

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

13325780 is a wasteful number, since it uses less digits than its factorization.

13325780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13325780 is about 3650.4492874166. The cubic root of 13325780 is about 237.0814345066.

The spelling of 13325780 in words is "thirteen million, three hundred twenty-five thousand, seven hundred eighty".