13133505412 has 12 divisors (see below), whose sum is σ = 22990031680. Its totient is φ = 6564924936.

The previous prime is 13133505391. The next prime is 13133505419. The reversal of 13133505412 is 21450533131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13133505419) 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, 440712 + ... + 469567.

Almost surely, 2^13133505412 is an apocalyptic number.

It is an amenable number.

13133505412 is a deficient number, since it is larger than the sum of its proper divisors (9856526268).

13133505412 is a wasteful number, since it uses less digits than its factorization.

13133505412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913890 (or 913888 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 13133505412 in words is "thirteen billion, one hundred thirty-three million, five hundred five thousand, four hundred twelve".