12807301445 has 4 divisors (see below), whose sum is σ = 15368761740. Its totient is φ = 10245841152.

The previous prime is 12807301399. The next prime is 12807301469. The reversal of 12807301445 is 54410370821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3062847649 + 9744453796 = 55343^2 + 98714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12807301445 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280730140 + ... + 1280730149.

It is an arithmetic number, because the mean of its divisors is an integer number (3842190435).

Almost surely, 2^12807301445 is an apocalyptic number.

It is an amenable number.

12807301445 is a deficient number, since it is larger than the sum of its proper divisors (2561460295).

12807301445 is an equidigital number, since it uses as much as digits as its factorization.

12807301445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561460294.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 12807301445 in words is "twelve billion, eight hundred seven million, three hundred one thousand, four hundred forty-five".