12320548 has 12 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 5892392.

The previous prime is 12320507. The next prime is 12320549. The reversal of 12320548 is 84502321.

It is not an unprimeable number, because it can be changed into a prime (12320549) 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, 66868 + ... + 67051.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^12320548 is an apocalyptic number.

It is an amenable number.

12320548 is a deficient number, since it is larger than the sum of its proper divisors (10178012).

12320548 is a wasteful number, since it uses less digits than its factorization.

12320548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133946 (or 133944 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12320548 is about 3510.0638170837. The cubic root of 12320548 is about 230.9634944155.

Adding to 12320548 its reverse (84502321), we get a palindrome (96822869).

The spelling of 12320548 in words is "twelve million, three hundred twenty thousand, five hundred forty-eight".