13564916 has 6 divisors (see below), whose sum is σ = 23738610. Its totient is φ = 6782456.

The previous prime is 13564913. The next prime is 13564921. The reversal of 13564916 is 61946531.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 1690000 = 3446^2 + 1300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13564913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695611 + ... + 1695618.

It is an arithmetic number, because the mean of its divisors is an integer number (3956435).

Almost surely, 2^13564916 is an apocalyptic number.

It is an amenable number.

13564916 is a deficient number, since it is larger than the sum of its proper divisors (10173694).

13564916 is a wasteful number, since it uses less digits than its factorization.

13564916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391233 (or 3391231 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 13564916 is about 3683.0579685908. The cubic root of 13564916 is about 238.4912059249.

The spelling of 13564916 in words is "thirteen million, five hundred sixty-four thousand, nine hundred sixteen".