12815079 has 8 divisors (see below), whose sum is σ = 17189760. Its totient is φ = 8491896.

The previous prime is 12815053. The next prime is 12815081. The reversal of 12815079 is 97051821.

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

It is not a de Polignac number, because 12815079 - 2⁹ = 12814567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12289 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (2148720).

Almost surely, 2^12815079 is an apocalyptic number.

12815079 is a deficient number, since it is larger than the sum of its proper divisors (4374681).

12815079 is a wasteful number, since it uses less digits than its factorization.

12815079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25749.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 12815079 is about 3579.8154980390. The cubic root of 12815079 is about 234.0132398090.

The spelling of 12815079 in words is "twelve million, eight hundred fifteen thousand, seventy-nine".