12304345 has 8 divisors (see below), whose sum is σ = 15633864. Its totient is φ = 9264384.

The previous prime is 12304337. The next prime is 12304351. The reversal of 12304345 is 54340321.

It can be written as a sum of positive squares in 4 ways, for example, as 3087049 + 9217296 = 1757^2 + 3036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12304345 - 2³ = 12304337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72294 + ... + 72463.

It is an arithmetic number, because the mean of its divisors is an integer number (1954233).

Almost surely, 2^12304345 is an apocalyptic number.

It is an amenable number.

12304345 is a deficient number, since it is larger than the sum of its proper divisors (3329519).

12304345 is a wasteful number, since it uses less digits than its factorization.

12304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144779.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12304345 is about 3507.7549800407. The cubic root of 12304345 is about 230.8622017559.

Adding to 12304345 its reverse (54340321), we get a palindrome (66644666).

The spelling of 12304345 in words is "twelve million, three hundred four thousand, three hundred forty-five".