12305716 has 6 divisors (see below), whose sum is σ = 21535010. Its totient is φ = 6152856.

The previous prime is 12305693. The next prime is 12305753. The reversal of 12305716 is 61750321.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 3027600 = 3046^2 + 1740^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1538211 + ... + 1538218.

Almost surely, 2^12305716 is an apocalyptic number.

It is an amenable number.

12305716 is a deficient number, since it is larger than the sum of its proper divisors (9229294).

12305716 is a wasteful number, since it uses less digits than its factorization.

12305716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076433 (or 3076431 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12305716 is about 3507.9503987371. The cubic root of 12305716 is about 230.8707759716.

The spelling of 12305716 in words is "twelve million, three hundred five thousand, seven hundred sixteen".