12788323 has 4 divisors (see below), whose sum is σ = 12901608. Its totient is φ = 12675040.

The previous prime is 12788263. The next prime is 12788327. The reversal of 12788323 is 32388721.

12788323 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-12788323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12788327) 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, 56473 + ... + 56698.

It is an arithmetic number, because the mean of its divisors is an integer number (3225402).

Almost surely, 2^12788323 is an apocalyptic number.

12788323 is a deficient number, since it is larger than the sum of its proper divisors (113285).

12788323 is a wasteful number, since it uses less digits than its factorization.

12788323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113284.

The product of its digits is 16128, while the sum is 34.

The square root of 12788323 is about 3576.0764812850. The cubic root of 12788323 is about 233.8502645922.

The spelling of 12788323 in words is "twelve million, seven hundred eighty-eight thousand, three hundred twenty-three".