12788233 has 8 divisors (see below), whose sum is σ = 13572360. Its totient is φ = 12007680.

The previous prime is 12788227. The next prime is 12788239. The reversal of 12788233 is 33288721.

It is an interprime number because it is at equal distance from previous prime (12788227) and next prime (12788239).

It can be written as a sum of positive squares in 4 ways, for example, as 2082249 + 10705984 = 1443^2 + 3272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12788233 - 2⁹ = 12787721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12788239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11523 + ... + 12583.

It is an arithmetic number, because the mean of its divisors is an integer number (1696545).

Almost surely, 2^12788233 is an apocalyptic number.

It is an amenable number.

12788233 is a deficient number, since it is larger than the sum of its proper divisors (784127).

12788233 is a wasteful number, since it uses less digits than its factorization.

12788233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

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

The square root of 12788233 is about 3576.0638976394. The cubic root of 12788233 is about 233.8497160039.

The spelling of 12788233 in words is "twelve million, seven hundred eighty-eight thousand, two hundred thirty-three".