12817241 has 4 divisors (see below), whose sum is σ = 12828900. Its totient is φ = 12805584.

The previous prime is 12817213. The next prime is 12817307. The reversal of 12817241 is 14271821.

12817241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12673600 + 143641 = 3560^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 12817241 - 2⁶ = 12817177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12817241.

It is not an unprimeable number, because it can be changed into a prime (12817841) 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, 3986 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (3207225).

Almost surely, 2^12817241 is an apocalyptic number.

It is an amenable number.

12817241 is a deficient number, since it is larger than the sum of its proper divisors (11659).

12817241 is a wasteful number, since it uses less digits than its factorization.

12817241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11658.

The product of its digits is 896, while the sum is 26.

The square root of 12817241 is about 3580.1174561737. The cubic root of 12817241 is about 234.0263989989.

The spelling of 12817241 in words is "twelve million, eight hundred seventeen thousand, two hundred forty-one".