13206968576 has 18 divisors (see below), whose sum is σ = 26362347942. Its totient is φ = 6603484160.

The previous prime is 13206968569. The next prime is 13206968581. The reversal of 13206968576 is 67586960231.

It can be written as a sum of positive squares in only one way, i.e., 7150393600 + 6056574976 = 84560^2 + 77824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25794605 + ... + 25795116.

Almost surely, 2^13206968576 is an apocalyptic number.

13206968576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13206968576 is a deficient number, since it is larger than the sum of its proper divisors (13155379366).

13206968576 is an frugal number, since it uses more digits than its factorization.

13206968576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51589737 (or 51589723 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 13206968576 in words is "thirteen billion, two hundred six million, nine hundred sixty-eight thousand, five hundred seventy-six".