13040441 has 4 divisors (see below), whose sum is σ = 13726800. Its totient is φ = 12354084.

The previous prime is 13040381. The next prime is 13040449. The reversal of 13040441 is 14404031.

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 13040441 - 2¹⁰ = 13039417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13040449) 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, 343151 + ... + 343188.

It is an arithmetic number, because the mean of its divisors is an integer number (3431700).

Almost surely, 2^13040441 is an apocalyptic number.

It is an amenable number.

13040441 is a deficient number, since it is larger than the sum of its proper divisors (686359).

13040441 is an equidigital number, since it uses as much as digits as its factorization.

13040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686358.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13040441 is about 3611.1550783648. The cubic root of 13040441 is about 235.3770377269.

Adding to 13040441 its reverse (14404031), we get a palindrome (27444472).

The spelling of 13040441 in words is "thirteen million, forty thousand, four hundred forty-one".