13104463212621 has 192 divisors, whose sum is σ = 22436601288192. Its totient is φ = 7282483200000.

The previous prime is 13104463212551. The next prime is 13104463212649. The reversal of 13104463212621 is 12621236440131.

13104463212621 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 4 + 6 + 3 + 21 + 2 + 621 = 666.

It is not a de Polignac number, because 13104463212621 - 2⁷ = 13104463212493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104463212521) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2984389336 + ... + 2984393726.

It is an arithmetic number, because the mean of its divisors is an integer number (116857298376).

Almost surely, 2^{13104463212621} is an apocalyptic number.

13104463212621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13104463212621 is a deficient number, since it is larger than the sum of its proper divisors (9332138075571).

13104463212621 is a wasteful number, since it uses less digits than its factorization.

13104463212621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804 (or 4801 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 13104463212621 its reverse (12621236440131), we get a palindrome (25725699652752).

The spelling of 13104463212621 in words is "thirteen trillion, one hundred four billion, four hundred sixty-three million, two hundred twelve thousand, six hundred twenty-one".