13805180 has 12 divisors (see below), whose sum is σ = 28990920. Its totient is φ = 5522064.

The previous prime is 13805179. The next prime is 13805201. The reversal of 13805180 is 8150831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345110 + ... + 345149.

It is an arithmetic number, because the mean of its divisors is an integer number (2415910).

Almost surely, 2^13805180 is an apocalyptic number.

13805180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13805180 is an abundant number, since it is smaller than the sum of its proper divisors (15185740).

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

13805180 is a wasteful number, since it uses less digits than its factorization.

13805180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690268 (or 690266 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 13805180 is about 3715.5322633507. The cubic root of 13805180 is about 239.8910385012.

The spelling of 13805180 in words is "thirteen million, eight hundred five thousand, one hundred eighty".