13605764 has 12 divisors (see below), whose sum is σ = 23998464. Its totient is φ = 6749064.

The previous prime is 13605749. The next prime is 13605769. The reversal of 13605764 is 46750631.

It is a self number, because there is not a number n which added to its sum of digits gives 13605764.

It is not an unprimeable number, because it can be changed into a prime (13605769) by changing a digit.

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, 12884 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 2^13605764 is an apocalyptic number.

It is an amenable number.

13605764 is a deficient number, since it is larger than the sum of its proper divisors (10392700).

13605764 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 13605764 = (63715604)₈.

13605764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26914 (or 26912 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 13605764 is about 3688.5991921053. The cubic root of 13605764 is about 238.7303553731.

The spelling of 13605764 in words is "thirteen million, six hundred five thousand, seven hundred sixty-four".