13256041 has 4 divisors (see below), whose sum is σ = 13268692. Its totient is φ = 13243392.

The previous prime is 13256029. The next prime is 13256057. The reversal of 13256041 is 14065231.

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 9272025 + 3984016 = 3045^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 13256041 - 2¹¹ = 13253993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13256071) 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, 4596 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (3317173).

Almost surely, 2^13256041 is an apocalyptic number.

It is an amenable number.

13256041 is a deficient number, since it is larger than the sum of its proper divisors (12651).

13256041 is a wasteful number, since it uses less digits than its factorization.

13256041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13256041 is about 3640.8846452476. The cubic root of 13256041 is about 236.6671310798.

The spelling of 13256041 in words is "thirteen million, two hundred fifty-six thousand, forty-one".