13795780 has 12 divisors (see below), whose sum is σ = 28971180. Its totient is φ = 5518304.

The previous prime is 13795757. The next prime is 13795787. The reversal of 13795780 is 8759731.

It can be written as a sum of positive squares in 2 ways, for example, as 2452356 + 11343424 = 1566^2 + 3368^2 .

It is not an unprimeable number, because it can be changed into a prime (13795787) 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, 344875 + ... + 344914.

It is an arithmetic number, because the mean of its divisors is an integer number (2414265).

Almost surely, 2^13795780 is an apocalyptic number.

13795780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13795780 is an abundant number, since it is smaller than the sum of its proper divisors (15175400).

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

13795780 is a wasteful number, since it uses less digits than its factorization.

13795780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689798 (or 689796 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 13795780 is about 3714.2670878654. The cubic root of 13795780 is about 239.8365785627.

The spelling of 13795780 in words is "thirteen million, seven hundred ninety-five thousand, seven hundred eighty".