13003440401 has 16 divisors (see below), whose sum is σ = 14905896960. Its totient is φ = 11112247440.

The previous prime is 13003440397. The next prime is 13003440481. The reversal of 13003440401 is 10404430031.

It is a happy number.

It is not a de Polignac number, because 13003440401 - 2² = 13003440397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13003440481) 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 15 ways as a sum of consecutive naturals, for example, 3916220 + ... + 3919538.

It is an arithmetic number, because the mean of its divisors is an integer number (931618560).

Almost surely, 2^13003440401 is an apocalyptic number.

It is an amenable number.

13003440401 is a deficient number, since it is larger than the sum of its proper divisors (1902456559).

13003440401 is an equidigital number, since it uses as much as digits as its factorization.

13003440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13003440401 its reverse (10404430031), we get a palindrome (23407870432).

The spelling of 13003440401 in words is "thirteen billion, three million, four hundred forty thousand, four hundred one".