12790056 has 16 divisors (see below), whose sum is σ = 31975200. Its totient is φ = 4263344.

The previous prime is 12790039. The next prime is 12790061. The reversal of 12790056 is 65009721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266436 + ... + 266483.

It is an arithmetic number, because the mean of its divisors is an integer number (1998450).

Almost surely, 2^12790056 is an apocalyptic number.

It is an amenable number.

12790056 is an abundant number, since it is smaller than the sum of its proper divisors (19185144).

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

12790056 is a wasteful number, since it uses less digits than its factorization.

12790056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532928 (or 532924 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 12790056 is about 3576.3187777378. The cubic root of 12790056 is about 233.8608274628.

Adding to 12790056 its reverse (65009721), we get a palindrome (77799777).

The spelling of 12790056 in words is "twelve million, seven hundred ninety thousand, fifty-six".