12305347 has 6 divisors (see below), whose sum is σ = 12514164. Its totient is φ = 12099960.

The previous prime is 12305333. The next prime is 12305383. The reversal of 12305347 is 74350321.

It is a de Polignac number, because none of the positive numbers 2^k-12305347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12305327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2068 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (2085694).

Almost surely, 2^12305347 is an apocalyptic number.

12305347 is a deficient number, since it is larger than the sum of its proper divisors (208817).

12305347 is an frugal number, since it uses more digits than its factorization.

12305347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12305347 is about 3507.8978035285. The cubic root of 12305347 is about 230.8684683131.

Adding to 12305347 its reverse (74350321), we get a palindrome (86655668).

The spelling of 12305347 in words is "twelve million, three hundred five thousand, three hundred forty-seven".