13104121421403 has 6 divisors (see below), whose sum is σ = 18928175386484. Its totient is φ = 8736080947596.

The previous prime is 13104121421381. The next prime is 13104121421437. The reversal of 13104121421403 is 30412412140131.

It is a happy number.

13104121421403 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 41 + 214 + 2 + 1 + 403 = 666.

13104121421403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13104121421403 - 2¹³ = 13104121413211 is a prime.

It is a super-2 number, since 2×13104121421403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13104121421483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728006745625 + ... + 728006745642.

Almost surely, 2^{13104121421403} is an apocalyptic number.

13104121421403 is a deficient number, since it is larger than the sum of its proper divisors (5824053965081).

13104121421403 is a wasteful number, since it uses less digits than its factorization.

13104121421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456013491273 (or 1456013491270 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13104121421403 its reverse (30412412140131), we get a palindrome (43516533561534).

The spelling of 13104121421403 in words is "thirteen trillion, one hundred four billion, one hundred twenty-one million, four hundred twenty-one thousand, four hundred three".