13805964 has 30 divisors (see below), whose sum is σ = 36092364. Its totient is φ = 4601880.

The previous prime is 13805933. The next prime is 13805969. The reversal of 13805964 is 46950831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13805969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20982 + ... + 21629.

Almost surely, 2^13805964 is an apocalyptic number.

It is an amenable number.

13805964 is an abundant number, since it is smaller than the sum of its proper divisors (22286400).

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

13805964 is a wasteful number, since it uses less digits than its factorization.

13805964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42627 (or 42616 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13805964 is about 3715.6377649066. The cubic root of 13805964 is about 239.8955795748.

The spelling of 13805964 in words is "thirteen million, eight hundred five thousand, nine hundred sixty-four".