12788441 has 4 divisors (see below), whose sum is σ = 12950400. Its totient is φ = 12626484.

The previous prime is 12788431. The next prime is 12788453. The reversal of 12788441 is 14488721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12788441 - 2¹⁴ = 12772057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12788401) 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 3 ways as a sum of consecutive naturals, for example, 80861 + ... + 81018.

It is an arithmetic number, because the mean of its divisors is an integer number (3237600).

Almost surely, 2^12788441 is an apocalyptic number.

It is an amenable number.

12788441 is a deficient number, since it is larger than the sum of its proper divisors (161959).

12788441 is an equidigital number, since it uses as much as digits as its factorization.

12788441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161958.

The product of its digits is 14336, while the sum is 35.

The square root of 12788441 is about 3576.0929797756. The cubic root of 12788441 is about 233.8509838485.

The spelling of 12788441 in words is "twelve million, seven hundred eighty-eight thousand, four hundred forty-one".