12310709 has 4 divisors (see below), whose sum is σ = 12334860. Its totient is φ = 12286560.

The previous prime is 12310699. The next prime is 12310721. The reversal of 12310709 is 90701321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1387684 + 10923025 = 1178^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310709 - 2⁸ = 12310453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310759) 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, 11294 + ... + 12335.

It is an arithmetic number, because the mean of its divisors is an integer number (3083715).

Almost surely, 2^12310709 is an apocalyptic number.

It is an amenable number.

12310709 is a deficient number, since it is larger than the sum of its proper divisors (24151).

12310709 is an equidigital number, since it uses as much as digits as its factorization.

12310709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24150.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12310709 is about 3508.6619956901. The cubic root of 12310709 is about 230.9019967450.

The spelling of 12310709 in words is "twelve million, three hundred ten thousand, seven hundred nine".