12945936 has 40 divisors (see below), whose sum is σ = 33658560. Its totient is φ = 4287616.

The previous prime is 12945931. The next prime is 12945937. The reversal of 12945936 is 63954921.

It is a junction number, because it is equal to n+sod(n) for n = 12945894 and 12945903.

It is not an unprimeable number, because it can be changed into a prime (12945931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7525 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (841464).

Almost surely, 2^12945936 is an apocalyptic number.

12945936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12945936 is an abundant number, since it is smaller than the sum of its proper divisors (20712624).

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

12945936 is a wasteful number, since it uses less digits than its factorization.

12945936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1737 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 12945936 is about 3598.0461364468. The cubic root of 12945936 is about 234.8070605892.

The spelling of 12945936 in words is "twelve million, nine hundred forty-five thousand, nine hundred thirty-six".