13561204 has 12 divisors (see below), whose sum is σ = 24018624. Its totient is φ = 6698744.

The previous prime is 13561199. The next prime is 13561259. The reversal of 13561204 is 40216531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20092 + ... + 20755.

It is an arithmetic number, because the mean of its divisors is an integer number (2001552).

Almost surely, 2^13561204 is an apocalyptic number.

It is an amenable number.

13561204 is a deficient number, since it is larger than the sum of its proper divisors (10457420).

13561204 is a wasteful number, since it uses less digits than its factorization.

13561204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40934 (or 40932 counting only the distinct ones).

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

The square root of 13561204 is about 3682.5540050351. The cubic root of 13561204 is about 238.4694497976.

Adding to 13561204 its reverse (40216531), we get a palindrome (53777735).

The spelling of 13561204 in words is "thirteen million, five hundred sixty-one thousand, two hundred four".