12815064 has 64 divisors (see below), whose sum is σ = 36096000. Its totient is φ = 4212000.

The previous prime is 12815053. The next prime is 12815081. The reversal of 12815064 is 46051821.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 16689 + ... + 17439.

It is an arithmetic number, because the mean of its divisors is an integer number (564000).

Almost surely, 2^12815064 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 12815064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18048000).

12815064 is an abundant number, since it is smaller than the sum of its proper divisors (23280936).

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

12815064 is a wasteful number, since it uses less digits than its factorization.

12815064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12815064 is about 3579.8134029583. The cubic root of 12815064 is about 234.0131485051.

Adding to 12815064 its reverse (46051821), we get a palindrome (58866885).

The spelling of 12815064 in words is "twelve million, eight hundred fifteen thousand, sixty-four".