12940936 has 16 divisors (see below), whose sum is σ = 24829200. Its totient is φ = 6319824.

The previous prime is 12940909. The next prime is 12940937. The reversal of 12940936 is 63904921.

It is not an unprimeable number, because it can be changed into a prime (12940937) 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 3 ways as a sum of consecutive naturals, for example, 18466 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (1551825).

Almost surely, 2^12940936 is an apocalyptic number.

It is an amenable number.

12940936 is a deficient number, since it is larger than the sum of its proper divisors (11888264).

12940936 is a wasteful number, since it uses less digits than its factorization.

12940936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37668 (or 37664 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12940936 is about 3597.3512477933. The cubic root of 12940936 is about 234.7768275112.

The spelling of 12940936 in words is "twelve million, nine hundred forty thousand, nine hundred thirty-six".