12773782605 has 16 divisors (see below), whose sum is σ = 20456182080. Its totient is φ = 6806640768.

The previous prime is 12773782597. The next prime is 12773782607. The reversal of 12773782605 is 50628737721.

12773782605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12773782605 - 2³ = 12773782597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12773782607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360207 + ... + 394076.

It is an arithmetic number, because the mean of its divisors is an integer number (1278511380).

Almost surely, 2^12773782605 is an apocalyptic number.

12773782605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12773782605 is a deficient number, since it is larger than the sum of its proper divisors (7682399475).

12773782605 is a wasteful number, since it uses less digits than its factorization.

12773782605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755420.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 12773782605 in words is "twelve billion, seven hundred seventy-three million, seven hundred eighty-two thousand, six hundred five".