13805764 has 48 divisors (see below), whose sum is σ = 28748160. Its totient is φ = 5679360.

The previous prime is 13805749. The next prime is 13805767. The reversal of 13805764 is 46750831.

It is not an unprimeable number, because it can be changed into a prime (13805767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100704 + ... + 100840.

It is an arithmetic number, because the mean of its divisors is an integer number (598920).

Almost surely, 2^13805764 is an apocalyptic number.

13805764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13805764 is an abundant number, since it is smaller than the sum of its proper divisors (14942396).

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

13805764 is a wasteful number, since it uses less digits than its factorization.

13805764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 13805764 is about 3715.6108515290. The cubic root of 13805764 is about 239.8944211540.

The spelling of 13805764 in words is "thirteen million, eight hundred five thousand, seven hundred sixty-four".