12788807 has 4 divisors (see below), whose sum is σ = 12796056. Its totient is φ = 12781560.

The previous prime is 12788801. The next prime is 12788857. The reversal of 12788807 is 70888721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12788807 - 2¹⁰ = 12787783 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 (12788801) 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, 932 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (3199014).

Almost surely, 2^12788807 is an apocalyptic number.

12788807 is a deficient number, since it is larger than the sum of its proper divisors (7249).

12788807 is an equidigital number, since it uses as much as digits as its factorization.

12788807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248.

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 12788807 is about 3576.1441525755. The cubic root of 12788807 is about 233.8532147340.

The spelling of 12788807 in words is "twelve million, seven hundred eighty-eight thousand, eight hundred seven".