12993299 has 4 divisors (see below), whose sum is σ = 14174520. Its totient is φ = 11812080.

The previous prime is 12993293. The next prime is 12993301. The reversal of 12993299 is 99239921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12993299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12993293) 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, 590594 + ... + 590615.

It is an arithmetic number, because the mean of its divisors is an integer number (3543630).

Almost surely, 2^12993299 is an apocalyptic number.

12993299 is a deficient number, since it is larger than the sum of its proper divisors (1181221).

12993299 is a wasteful number, since it uses less digits than its factorization.

12993299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181220.

The product of its digits is 78732, while the sum is 44.

The square root of 12993299 is about 3604.6218941797. The cubic root of 12993299 is about 235.0930610752.

It can be divided in two parts, 129932 and 99, that added together give a palindrome (130031).

The spelling of 12993299 in words is "twelve million, nine hundred ninety-three thousand, two hundred ninety-nine".