13201564 has 12 divisors (see below), whose sum is σ = 23307984. Its totient is φ = 6542144.

The previous prime is 13201541. The next prime is 13201577. The reversal of 13201564 is 46510231.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14152 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (1942332).

Almost surely, 2^13201564 is an apocalyptic number.

It is an amenable number.

13201564 is a deficient number, since it is larger than the sum of its proper divisors (10106420).

13201564 is a wasteful number, since it uses less digits than its factorization.

13201564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29324 (or 29322 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13201564 is about 3633.3956569578. The cubic root of 13201564 is about 236.3424836907.

Adding to 13201564 its reverse (46510231), we get a palindrome (59711795).

The spelling of 13201564 in words is "thirteen million, two hundred one thousand, five hundred sixty-four".