12791383801 has 27 divisors (see below), whose sum is σ = 15120265797. Its totient is φ = 10789644600.

The previous prime is 12791383799. The next prime is 12791383807. The reversal of 12791383801 is 10838319721.

The square root of 12791383801 is 113099.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 12791383801 - 2¹ = 12791383799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12791383807) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 84711076 + ... + 84711226.

Almost surely, 2^12791383801 is an apocalyptic number.

12791383801 is the 113099-th square number.

12791383801 is the 56550-th centered octagonal number.

It is an amenable number.

12791383801 is a deficient number, since it is larger than the sum of its proper divisors (2328881996).

12791383801 is an frugal number, since it uses more digits than its factorization.

12791383801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 12791383801 in words is "twelve billion, seven hundred ninety-one million, three hundred eighty-three thousand, eight hundred one".