12748079 has 6 divisors (see below), whose sum is σ = 13542384. Its totient is φ = 11997920.

The previous prime is 12748061. The next prime is 12748097. The reversal of 12748079 is 97084721.

It is an interprime number because it is at equal distance from previous prime (12748061) and next prime (12748097).

It is a de Polignac number, because none of the positive numbers 2^k-12748079 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 (12748019) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 21767 + ... + 22344.

It is an arithmetic number, because the mean of its divisors is an integer number (2257064).

Almost surely, 2^12748079 is an apocalyptic number.

12748079 is a deficient number, since it is larger than the sum of its proper divisors (794305).

12748079 is an equidigital number, since it uses as much as digits as its factorization.

12748079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44145 (or 44128 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12748079 is about 3570.4452103344. The cubic root of 12748079 is about 233.6047030919.

The spelling of 12748079 in words is "twelve million, seven hundred forty-eight thousand, seventy-nine".