12835550797 has 4 divisors (see below), whose sum is σ = 12847977340. Its totient is φ = 12823124256.

The previous prime is 12835550789. The next prime is 12835550801. The reversal of 12835550797 is 79705553821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79705553821 = 4349 ⋅18327329.

It can be written as a sum of positive squares in 2 ways, for example, as 12604328361 + 231222436 = 112269^2 + 15206^2 .

It is a cyclic number.

It is not a de Polignac number, because 12835550797 - 2³ = 12835550789 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 (12835550737) 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, 6211722 + ... + 6213787.

It is an arithmetic number, because the mean of its divisors is an integer number (3211994335).

Almost surely, 2^12835550797 is an apocalyptic number.

It is an amenable number.

12835550797 is a deficient number, since it is larger than the sum of its proper divisors (12426543).

12835550797 is a wasteful number, since it uses less digits than its factorization.

12835550797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12426542.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 12835550797 in words is "twelve billion, eight hundred thirty-five million, five hundred fifty thousand, seven hundred ninety-seven".