12733939 has 4 divisors (see below), whose sum is σ = 12974256. Its totient is φ = 12493624.

The previous prime is 12733937. The next prime is 12733949. The reversal of 12733939 is 93933721.

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 12733939 - 2¹ = 12733937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12733898 and 12733907.

It is not an unprimeable number, because it can be changed into a prime (12733937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120079 + ... + 120184.

It is an arithmetic number, because the mean of its divisors is an integer number (3243564).

Almost surely, 2^12733939 is an apocalyptic number.

12733939 is a deficient number, since it is larger than the sum of its proper divisors (240317).

12733939 is an equidigital number, since it uses as much as digits as its factorization.

12733939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240316.

The product of its digits is 30618, while the sum is 37.

The square root of 12733939 is about 3568.4645157266. The cubic root of 12733939 is about 233.5183007267.

The spelling of 12733939 in words is "twelve million, seven hundred thirty-three thousand, nine hundred thirty-nine".