13366780 has 48 divisors (see below), whose sum is σ = 32288256. Its totient is φ = 4553280.

The previous prime is 13366763. The next prime is 13366781. The reversal of 13366780 is 8766331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42825 + ... + 43135.

It is an arithmetic number, because the mean of its divisors is an integer number (672672).

Almost surely, 2^13366780 is an apocalyptic number.

13366780 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 13366780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144128).

13366780 is an abundant number, since it is smaller than the sum of its proper divisors (18921476).

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

13366780 is a wasteful number, since it uses less digits than its factorization.

13366780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 13366780 is about 3656.0607215964. The cubic root of 13366780 is about 237.3243317786.

The spelling of 13366780 in words is "thirteen million, three hundred sixty-six thousand, seven hundred eighty".