13580780 has 12 divisors (see below), whose sum is σ = 28519680. Its totient is φ = 5432304.

The previous prime is 13580779. The next prime is 13580783. The reversal of 13580780 is 8708531.

It is not an unprimeable number, because it can be changed into a prime (13580783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339500 + ... + 339539.

It is an arithmetic number, because the mean of its divisors is an integer number (2376640).

Almost surely, 2^13580780 is an apocalyptic number.

13580780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13580780 is an abundant number, since it is smaller than the sum of its proper divisors (14938900).

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

13580780 is a wasteful number, since it uses less digits than its factorization.

13580780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679048 (or 679046 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 13580780 is about 3685.2109844621. The cubic root of 13580780 is about 238.5841405355.

The spelling of 13580780 in words is "thirteen million, five hundred eighty thousand, seven hundred eighty".