12798776 has 16 divisors (see below), whose sum is σ = 24392040. Its totient is φ = 6294240.

The previous prime is 12798767. The next prime is 12798791. The reversal of 12798776 is 67789721.

It is a self number, because there is not a number n which added to its sum of digits gives 12798776.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 12626 + ... + 13601.

Almost surely, 2^12798776 is an apocalyptic number.

It is an amenable number.

12798776 is a deficient number, since it is larger than the sum of its proper divisors (11593264).

12798776 is a wasteful number, since it uses less digits than its factorization.

12798776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26294 (or 26290 counting only the distinct ones).

The product of its digits is 296352, while the sum is 47.

The square root of 12798776 is about 3577.5377007098. The cubic root of 12798776 is about 233.9139625741.

The spelling of 12798776 in words is "twelve million, seven hundred ninety-eight thousand, seven hundred seventy-six".