12792514816 has 27 divisors (see below), whose sum is σ = 25538671641. Its totient is φ = 6395352576.

The previous prime is 12792514799. The next prime is 12792514873. The reversal of 12792514816 is 61841529721.

The square root of 12792514816 is 113104.

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

It can be written as a sum of positive squares in only one way, i.e., 4475074816 + 8317440000 = 66896^2 + 91200^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1806130 + ... + 1813198.

Almost surely, 2^12792514816 is an apocalyptic number.

12792514816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12792514816 is the 113104-th square number.

It is an amenable number.

12792514816 is a deficient number, since it is larger than the sum of its proper divisors (12746156825).

12792514816 is an frugal number, since it uses more digits than its factorization.

12792514816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154 (or 7071 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The spelling of 12792514816 in words is "twelve billion, seven hundred ninety-two million, five hundred fourteen thousand, eight hundred sixteen".