12993835 has 4 divisors (see below), whose sum is σ = 15592608. Its totient is φ = 10395064.

The previous prime is 12993821. The next prime is 12993847. The reversal of 12993835 is 53839921.

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 12993835 - 2⁵ = 12993803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1299379 + ... + 1299388.

It is an arithmetic number, because the mean of its divisors is an integer number (3898152).

Almost surely, 2^12993835 is an apocalyptic number.

12993835 is a deficient number, since it is larger than the sum of its proper divisors (2598773).

12993835 is an equidigital number, since it uses as much as digits as its factorization.

12993835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598772.

The product of its digits is 58320, while the sum is 40.

The square root of 12993835 is about 3604.6962424038. The cubic root of 12993835 is about 235.0962937197.

The spelling of 12993835 in words is "twelve million, nine hundred ninety-three thousand, eight hundred thirty-five".