12815104 has 36 divisors (see below), whose sum is σ = 25864776. Its totient is φ = 6336512.

The previous prime is 12815087. The next prime is 12815107. The reversal of 12815104 is 40151821.

It is not an unprimeable number, because it can be changed into a prime (12815107) 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, 28707 + ... + 29149.

It is an arithmetic number, because the mean of its divisors is an integer number (718466).

Almost surely, 2^12815104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12815104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12932388).

12815104 is an abundant number, since it is smaller than the sum of its proper divisors (13049672).

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

12815104 is an equidigital number, since it uses as much as digits as its factorization.

12815104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 12815104 is about 3579.8189898373. The cubic root of 12815104 is about 234.0133919820.

Adding to 12815104 its reverse (40151821), we get a palindrome (52966925).

The spelling of 12815104 in words is "twelve million, eight hundred fifteen thousand, one hundred four".