13120530533 has 4 divisors (see below), whose sum is σ = 14313306048. Its totient is φ = 11927755020.

The previous prime is 13120530461. The next prime is 13120530559. The reversal of 13120530533 is 33503502131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13120530533 - 2¹⁴ = 13120514149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120530133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596387741 + ... + 596387762.

It is an arithmetic number, because the mean of its divisors is an integer number (3578326512).

Almost surely, 2^13120530533 is an apocalyptic number.

It is an amenable number.

13120530533 is a deficient number, since it is larger than the sum of its proper divisors (1192775515).

13120530533 is a wasteful number, since it uses less digits than its factorization.

13120530533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192775514.

The product of its (nonzero) digits is 4050, while the sum is 26.

The spelling of 13120530533 in words is "thirteen billion, one hundred twenty million, five hundred thirty thousand, five hundred thirty-three".