12660732365 has 16 divisors (see below), whose sum is σ = 16194950400. Its totient is φ = 9474034752.

The previous prime is 12660732341. The next prime is 12660732367. The reversal of 12660732365 is 56323706621.

It is not a de Polignac number, because 12660732365 - 2¹⁶ = 12660666829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660732367) 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 15 ways as a sum of consecutive naturals, for example, 835982 + ... + 850991.

It is an arithmetic number, because the mean of its divisors is an integer number (1012184400).

Almost surely, 2^12660732365 is an apocalyptic number.

It is an amenable number.

12660732365 is a deficient number, since it is larger than the sum of its proper divisors (3534218035).

12660732365 is a wasteful number, since it uses less digits than its factorization.

12660732365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687076.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 12660732365 in words is "twelve billion, six hundred sixty million, seven hundred thirty-two thousand, three hundred sixty-five".