13321213404401 has 12 divisors (see below), whose sum is σ = 15514575168960. Its totient is φ = 11404573606440.

The previous prime is 13321213404391. The next prime is 13321213404427. The reversal of 13321213404401 is 10440431212331.

It is not a de Polignac number, because 13321213404401 - 2¹⁸ = 13321213142257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321213404461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161974085 + ... + 162056306.

It is an arithmetic number, because the mean of its divisors is an integer number (1292881264080).

Almost surely, 2^{13321213404401} is an apocalyptic number.

It is an amenable number.

13321213404401 is a deficient number, since it is larger than the sum of its proper divisors (2193361764559).

13321213404401 is an equidigital number, since it uses as much as digits as its factorization.

13321213404401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324031244 (or 324031237 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13321213404401 its reverse (10440431212331), we get a palindrome (23761644616732).

The spelling of 13321213404401 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirteen million, four hundred four thousand, four hundred one".