12723285807 has 12 divisors (see below), whose sum is σ = 18399386304. Its totient is φ = 8472356640.

The previous prime is 12723285803. The next prime is 12723285833. The reversal of 12723285807 is 70858232721.

12723285807 is a `hidden beast` number, since 1 + 27 + 23 + 28 + 580 + 7 = 666.

It is not a de Polignac number, because 12723285807 - 2² = 12723285803 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12723285803) 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, 811294 + ... + 826827.

It is an arithmetic number, because the mean of its divisors is an integer number (1533282192).

Almost surely, 2^12723285807 is an apocalyptic number.

12723285807 is a deficient number, since it is larger than the sum of its proper divisors (5676100497).

12723285807 is a wasteful number, since it uses less digits than its factorization.

12723285807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638990 (or 1638987 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 12723285807 in words is "twelve billion, seven hundred twenty-three million, two hundred eighty-five thousand, eight hundred seven".