12789996 has 24 divisors (see below), whose sum is σ = 29957424. Its totient is φ = 4247040.

The previous prime is 12789979. The next prime is 12790007. The reversal of 12789996 is 69998721.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (1248226).

Almost surely, 2^12789996 is an apocalyptic number.

It is an amenable number.

12789996 is an abundant number, since it is smaller than the sum of its proper divisors (17167428).

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

12789996 is a wasteful number, since it uses less digits than its factorization.

12789996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081 (or 4079 counting only the distinct ones).

The product of its digits is 489888, while the sum is 51.

The square root of 12789996 is about 3576.3103892140. The cubic root of 12789996 is about 233.8604617706.

The spelling of 12789996 in words is "twelve million, seven hundred eighty-nine thousand, nine hundred ninety-six".