13120104 has 16 divisors (see below), whose sum is σ = 32800320. Its totient is φ = 4373360.

The previous prime is 13120103. The next prime is 13120111. The reversal of 13120104 is 40102131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13120104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273312 + ... + 273359.

It is an arithmetic number, because the mean of its divisors is an integer number (2050020).

Almost surely, 2^13120104 is an apocalyptic number.

It is an amenable number.

13120104 is an abundant number, since it is smaller than the sum of its proper divisors (19680216).

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

13120104 is a wasteful number, since it uses less digits than its factorization.

13120104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546680 (or 546676 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13120104 is about 3622.1684113249. The cubic root of 13120104 is about 235.8553647906.

Adding to 13120104 its reverse (40102131), we get a palindrome (53222235).

The spelling of 13120104 in words is "thirteen million, one hundred twenty thousand, one hundred four".