12322739 has 32 divisors (see below), whose sum is σ = 15857856. Its totient is φ = 9400320.

The previous prime is 12322711. The next prime is 12322771. The reversal of 12322739 is 93722321.

It is a de Polignac number, because none of the positive numbers 2^k-12322739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322039) 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 31 ways as a sum of consecutive naturals, for example, 89879 + ... + 90015.

It is an arithmetic number, because the mean of its divisors is an integer number (495558).

Almost surely, 2^12322739 is an apocalyptic number.

12322739 is a deficient number, since it is larger than the sum of its proper divisors (3535117).

12322739 is a wasteful number, since it uses less digits than its factorization.

12322739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its digits is 4536, while the sum is 29.

The square root of 12322739 is about 3510.3759057970. The cubic root of 12322739 is about 230.9771845810.

The spelling of 12322739 in words is "twelve million, three hundred twenty-two thousand, seven hundred thirty-nine".