12815078 has 8 divisors (see below), whose sum is σ = 19239168. Its totient is φ = 6402024.

The previous prime is 12815053. The next prime is 12815081. The reversal of 12815078 is 87051821.

It is a happy number.

12815078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1400 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (2404896).

Almost surely, 2^12815078 is an apocalyptic number.

12815078 is a deficient number, since it is larger than the sum of its proper divisors (6424090).

12815078 is a wasteful number, since it uses less digits than its factorization.

12815078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12815078 is about 3579.8153583670. The cubic root of 12815078 is about 234.0132337221.

Adding to 12815078 its reverse (87051821), we get a palindrome (99866899).

The spelling of 12815078 in words is "twelve million, eight hundred fifteen thousand, seventy-eight".