12788027 has 12 divisors (see below), whose sum is σ = 15109488. Its totient is φ = 10602000.

The previous prime is 12788021. The next prime is 12788033. The reversal of 12788027 is 72088721.

It is an interprime number because it is at equal distance from previous prime (12788021) and next prime (12788033).

It is not a de Polignac number, because 12788027 - 2¹² = 12783931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12788021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5777 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (1259124).

Almost surely, 2^12788027 is an apocalyptic number.

12788027 is a deficient number, since it is larger than the sum of its proper divisors (2321461).

12788027 is an equidigital number, since it uses as much as digits as its factorization.

12788027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 12788027 is about 3576.0350949061. The cubic root of 12788027 is about 233.8484603365.

The spelling of 12788027 in words is "twelve million, seven hundred eighty-eight thousand, twenty-seven".