13247754066 has 32 divisors (see below), whose sum is σ = 30988900800. Its totient is φ = 4183500960.

The previous prime is 13247754001. The next prime is 13247754083. The reversal of 13247754066 is 66045774231.

13247754066 is a `hidden beast` number, since 1 + 3 + 2 + 47 + 7 + 540 + 66 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6454995 + ... + 6457046.

It is an arithmetic number, because the mean of its divisors is an integer number (968403150).

Almost surely, 2^13247754066 is an apocalyptic number.

13247754066 is an abundant number, since it is smaller than the sum of its proper divisors (17741146734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13247754066 is a wasteful number, since it uses less digits than its factorization.

13247754066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912071 (or 12912065 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 13247754066 in words is "thirteen billion, two hundred forty-seven million, seven hundred fifty-four thousand, sixty-six".