12788828 has 72 divisors (see below), whose sum is σ = 27438432. Its totient is φ = 5170176.

The previous prime is 12788801. The next prime is 12788857. The reversal of 12788828 is 82888721.

It is a super-2 number, since 2×12788828² = 327108243227168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345626 + ... + 345662.

Almost surely, 2^12788828 is an apocalyptic number.

It is an amenable number.

12788828 is an abundant number, since it is smaller than the sum of its proper divisors (14649604).

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

12788828 is a wasteful number, since it uses less digits than its factorization.

12788828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 92 counting only the distinct ones).

The product of its digits is 114688, while the sum is 44.

The square root of 12788828 is about 3576.1470886976. The cubic root of 12788828 is about 233.8533427344.

The spelling of 12788828 in words is "twelve million, seven hundred eighty-eight thousand, eight hundred twenty-eight".