12915079 has 4 divisors (see below), whose sum is σ = 13594840. Its totient is φ = 12235320.

The previous prime is 12915073. The next prime is 12915101. The reversal of 12915079 is 97051921.

12915079 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12915079 - 2¹⁷ = 12784007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12915073) 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, 339852 + ... + 339889.

It is an arithmetic number, because the mean of its divisors is an integer number (3398710).

Almost surely, 2^12915079 is an apocalyptic number.

12915079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12915079 is a deficient number, since it is larger than the sum of its proper divisors (679761).

12915079 is an equidigital number, since it uses as much as digits as its factorization.

12915079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679760.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 12915079 is about 3593.7555565174. The cubic root of 12915079 is about 234.6203557764.

The spelling of 12915079 in words is "twelve million, nine hundred fifteen thousand, seventy-nine".