13205104 has 20 divisors (see below), whose sum is σ = 27911160. Its totient is φ = 6002240.

The previous prime is 13205099. The next prime is 13205117. The reversal of 13205104 is 40150231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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, 37339 + ... + 37690.

It is an arithmetic number, because the mean of its divisors is an integer number (1395558).

Almost surely, 2^13205104 is an apocalyptic number.

It is an amenable number.

13205104 is an abundant number, since it is smaller than the sum of its proper divisors (14706056).

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

13205104 is a wasteful number, since it uses less digits than its factorization.

13205104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75048 (or 75042 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13205104 is about 3633.8827719122. The cubic root of 13205104 is about 236.3636068854.

Adding to 13205104 its reverse (40150231), we get a palindrome (53355335).

The spelling of 13205104 in words is "thirteen million, two hundred five thousand, one hundred four".