12933927807 has 4 divisors (see below), whose sum is σ = 17245237080. Its totient is φ = 8622618536.

The previous prime is 12933927803. The next prime is 12933927821. The reversal of 12933927807 is 70872933921.

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 12933927807 - 2² = 12933927803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12933927807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12933927803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155654632 + ... + 2155654637.

It is an arithmetic number, because the mean of its divisors is an integer number (4311309270).

Almost surely, 2^12933927807 is an apocalyptic number.

12933927807 is a deficient number, since it is larger than the sum of its proper divisors (4311309273).

12933927807 is an equidigital number, since it uses as much as digits as its factorization.

12933927807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311309272.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 12933927807 in words is "twelve billion, nine hundred thirty-three million, nine hundred twenty-seven thousand, eight hundred seven".