13335780 has 48 divisors (see below), whose sum is σ = 38142720. Its totient is φ = 3479808.

The previous prime is 13335779. The next prime is 13335787. The reversal of 13335780 is 8753331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13335787) 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, 456 + ... + 5184.

It is an arithmetic number, because the mean of its divisors is an integer number (794640).

Almost surely, 2^13335780 is an apocalyptic number.

13335780 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 13335780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19071360).

13335780 is an abundant number, since it is smaller than the sum of its proper divisors (24806940).

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

13335780 is a wasteful number, since it uses less digits than its factorization.

13335780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788 (or 4786 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13335780 is about 3651.8187249643. The cubic root of 13335780 is about 237.1407236327.

The spelling of 13335780 in words is "thirteen million, three hundred thirty-five thousand, seven hundred eighty".