13040641 has 8 divisors (see below), whose sum is σ = 13445568. Its totient is φ = 12642000.

The previous prime is 13040639. The next prime is 13040659. The reversal of 13040641 is 14604031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13040641 - 2¹ = 13040639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13040141) 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 7 ways as a sum of consecutive naturals, for example, 2826 + ... + 5836.

It is an arithmetic number, because the mean of its divisors is an integer number (1680696).

Almost surely, 2^13040641 is an apocalyptic number.

It is an amenable number.

13040641 is a deficient number, since it is larger than the sum of its proper divisors (404927).

13040641 is an equidigital number, since it uses as much as digits as its factorization.

13040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13040641 is about 3611.1827702292. The cubic root of 13040641 is about 235.3782410391.

Adding to 13040641 its reverse (14604031), we get a palindrome (27644672).

The spelling of 13040641 in words is "thirteen million, forty thousand, six hundred forty-one".