12308996 has 18 divisors (see below), whose sum is σ = 25057998. Its totient is φ = 5275200.

The previous prime is 12308987. The next prime is 12308999. The reversal of 12308996 is 69980321.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 4468996 = 2800^2 + 2114^2 .

It is a super-2 number, since 2×12308996² = 303022765056032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12308999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31205 + ... + 31596.

It is an arithmetic number, because the mean of its divisors is an integer number (1392111).

Almost surely, 2^12308996 is an apocalyptic number.

It is an amenable number.

12308996 is an abundant number, since it is smaller than the sum of its proper divisors (12749002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12308996 is a wasteful number, since it uses less digits than its factorization.

12308996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62819 (or 62810 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 12308996 is about 3508.4178770494. The cubic root of 12308996 is about 230.8912864637.

The spelling of 12308996 in words is "twelve million, three hundred eight thousand, nine hundred ninety-six".