12788241 has 8 divisors (see below), whose sum is σ = 17106720. Its totient is φ = 8497632.

The previous prime is 12788239. The next prime is 12788249. The reversal of 12788241 is 14288721.

It is a happy number.

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

It is not a de Polignac number, because 12788241 - 2¹ = 12788239 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12788249) 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, 5871 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (2138340).

Almost surely, 2^12788241 is an apocalyptic number.

It is an amenable number.

12788241 is a deficient number, since it is larger than the sum of its proper divisors (4318479).

12788241 is a wasteful number, since it uses less digits than its factorization.

12788241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13935.

The product of its digits is 7168, while the sum is 33.

The square root of 12788241 is about 3576.0650161875. The cubic root of 12788241 is about 233.8497647674.

The spelling of 12788241 in words is "twelve million, seven hundred eighty-eight thousand, two hundred forty-one".