13363780 has 24 divisors (see below), whose sum is σ = 29032920. Its totient is φ = 5160960.

The previous prime is 13363741. The next prime is 13363781. The reversal of 13363780 is 8736331.

13363780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 12974404 = 624^2 + 3602^2 .

It is not an unprimeable number, because it can be changed into a prime (13363781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10941 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (1209705).

Almost surely, 2^13363780 is an apocalyptic number.

13363780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13363780 is an abundant number, since it is smaller than the sum of its proper divisors (15669140).

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

13363780 is a wasteful number, since it uses less digits than its factorization.

13363780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23079 (or 23077 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13363780 is about 3655.6504209238. The cubic root of 13363780 is about 237.3065756631.

The spelling of 13363780 in words is "thirteen million, three hundred sixty-three thousand, seven hundred eighty".