12790079 has 4 divisors (see below), whose sum is σ = 13006920. Its totient is φ = 12573240.

The previous prime is 12790061. The next prime is 12790091. The reversal of 12790079 is 97009721.

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 12790079 - 2⁸ = 12789823 is a prime.

It is a super-2 number, since 2×12790079² = 327172241652482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790009) 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 3 ways as a sum of consecutive naturals, for example, 108332 + ... + 108449.

It is an arithmetic number, because the mean of its divisors is an integer number (3251730).

Almost surely, 2^12790079 is an apocalyptic number.

12790079 is a deficient number, since it is larger than the sum of its proper divisors (216841).

12790079 is an equidigital number, since it uses as much as digits as its factorization.

12790079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216840.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 12790079 is about 3576.3219933334. The cubic root of 12790079 is about 233.8609676445.

The spelling of 12790079 in words is "twelve million, seven hundred ninety thousand, seventy-nine".