13240841 has 4 divisors (see below), whose sum is σ = 14019732. Its totient is φ = 12461952.

The previous prime is 13240837. The next prime is 13240859. The reversal of 13240841 is 14804231.

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 5929225 + 7311616 = 2435^2 + 2704^2 .

It is not a de Polignac number, because 13240841 - 2² = 13240837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240141) 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, 389420 + ... + 389453.

It is an arithmetic number, because the mean of its divisors is an integer number (3504933).

Almost surely, 2^13240841 is an apocalyptic number.

It is an amenable number.

13240841 is a deficient number, since it is larger than the sum of its proper divisors (778891).

13240841 is an equidigital number, since it uses as much as digits as its factorization.

13240841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778890.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 13240841 is about 3638.7966417485. The cubic root of 13240841 is about 236.5766385959.

The spelling of 13240841 in words is "thirteen million, two hundred forty thousand, eight hundred forty-one".