12854938757 has 4 divisors (see below), whose sum is σ = 12855567180. Its totient is φ = 12854310336.

The previous prime is 12854938711. The next prime is 12854938777. The reversal of 12854938757 is 75783945821.

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 8904941956 + 3949996801 = 94366^2 + 62849^2 .

It is a cyclic number.

It is not a de Polignac number, because 12854938757 - 2¹⁴ = 12854922373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12854938696 and 12854938705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12854938777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282458 + ... + 324795.

It is an arithmetic number, because the mean of its divisors is an integer number (3213891795).

Almost surely, 2^12854938757 is an apocalyptic number.

It is an amenable number.

12854938757 is a deficient number, since it is larger than the sum of its proper divisors (628423).

12854938757 is an equidigital number, since it uses as much as digits as its factorization.

12854938757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628422.

The product of its digits is 16934400, while the sum is 59.

The spelling of 12854938757 in words is "twelve billion, eight hundred fifty-four million, nine hundred thirty-eight thousand, seven hundred fifty-seven".