12747079 has 4 divisors (see below), whose sum is σ = 12771976. Its totient is φ = 12722184.

The previous prime is 12747047. The next prime is 12747121. The reversal of 12747079 is 97074721.

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 12747079 - 2⁵ = 12747047 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 (12747019) 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, 11664 + ... + 12709.

It is an arithmetic number, because the mean of its divisors is an integer number (3192994).

Almost surely, 2^12747079 is an apocalyptic number.

12747079 is a deficient number, since it is larger than the sum of its proper divisors (24897).

12747079 is an equidigital number, since it uses as much as digits as its factorization.

12747079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24896.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 12747079 is about 3570.3051690297. The cubic root of 12747079 is about 233.5985946994.

The spelling of 12747079 in words is "twelve million, seven hundred forty-seven thousand, seventy-nine".