12799797 has 4 divisors (see below), whose sum is σ = 17066400. Its totient is φ = 8533196.

The previous prime is 12799783. The next prime is 12799811. The reversal of 12799797 is 79799721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79799721 = 3 ⋅26599907.

It is an interprime number because it is at equal distance from previous prime (12799783) and next prime (12799811).

It is a cyclic number.

It is not a de Polignac number, because 12799797 - 2⁴ = 12799781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799727) 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, 2133297 + ... + 2133302.

It is an arithmetic number, because the mean of its divisors is an integer number (4266600).

Almost surely, 2^12799797 is an apocalyptic number.

It is an amenable number.

12799797 is a deficient number, since it is larger than the sum of its proper divisors (4266603).

12799797 is an equidigital number, since it uses as much as digits as its factorization.

12799797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266602.

The product of its digits is 500094, while the sum is 51.

The square root of 12799797 is about 3577.6803937747. The cubic root of 12799797 is about 233.9201824347.

The spelling of 12799797 in words is "twelve million, seven hundred ninety-nine thousand, seven hundred ninety-seven".