12906536913 has 12 divisors (see below), whose sum is σ = 19285630260. Its totient is φ = 8307655776.

The previous prime is 12906536911. The next prime is 12906536921. The reversal of 12906536913 is 31963560921.

12906536913 is a `hidden beast` number, since 1 + 29 + 0 + 6 + 536 + 91 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7976811969 + 4929724944 = 89313^2 + 70212^2 .

It is not a de Polignac number, because 12906536913 - 2¹ = 12906536911 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12906536911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24724906 + ... + 24725427.

It is an arithmetic number, because the mean of its divisors is an integer number (1607135855).

Almost surely, 2^12906536913 is an apocalyptic number.

It is an amenable number.

12906536913 is a deficient number, since it is larger than the sum of its proper divisors (6379093347).

12906536913 is a wasteful number, since it uses less digits than its factorization.

12906536913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49450368 (or 49450365 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 12906536913 in words is "twelve billion, nine hundred six million, five hundred thirty-six thousand, nine hundred thirteen".