12345308 has 12 divisors (see below), whose sum is σ = 21734832. Its totient is φ = 6135360.

The previous prime is 12345301. The next prime is 12345313. The reversal of 12345308 is 80354321.

It is a super-2 number, since 2×12345308² = 304813259229728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345301) 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, 8573 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (1811236).

Almost surely, 2^12345308 is an apocalyptic number.

It is an amenable number.

12345308 is a deficient number, since it is larger than the sum of its proper divisors (9389524).

12345308 is a wasteful number, since it uses less digits than its factorization.

12345308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18652 (or 18650 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12345308 is about 3513.5890482525. The cubic root of 12345308 is about 231.1181095500.

Adding to 12345308 its reverse (80354321), we get a palindrome (92699629).

The spelling of 12345308 in words is "twelve million, three hundred forty-five thousand, three hundred eight".