12985348723 has 4 divisors (see below), whose sum is σ = 12987221128. Its totient is φ = 12983476320.

The previous prime is 12985348711. The next prime is 12985348751. The reversal of 12985348723 is 32784358921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12985348723 - 2¹³ = 12985340531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12985348223) 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, 925761 + ... + 939682.

It is an arithmetic number, because the mean of its divisors is an integer number (3246805282).

Almost surely, 2^12985348723 is an apocalyptic number.

12985348723 is a deficient number, since it is larger than the sum of its proper divisors (1872405).

12985348723 is an equidigital number, since it uses as much as digits as its factorization.

12985348723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872404.

The product of its digits is 2903040, while the sum is 52.

The spelling of 12985348723 in words is "twelve billion, nine hundred eighty-five million, three hundred forty-eight thousand, seven hundred twenty-three".