12788576 has 12 divisors (see below), whose sum is σ = 25177572. Its totient is φ = 6394272.

The previous prime is 12788563. The next prime is 12788579. The reversal of 12788576 is 67588721.

It is a super-2 number, since 2×12788576² = 327095352215552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199790 + ... + 199853.

It is an arithmetic number, because the mean of its divisors is an integer number (2098131).

Almost surely, 2^12788576 is an apocalyptic number.

12788576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12788576 is a deficient number, since it is larger than the sum of its proper divisors (12388996).

12788576 is an equidigital number, since it uses as much as digits as its factorization.

12788576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399653 (or 399645 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 12788576 is about 3576.1118550739. Note that the first 3 decimals coincide. The cubic root of 12788576 is about 233.8518067211.

The spelling of 12788576 in words is "twelve million, seven hundred eighty-eight thousand, five hundred seventy-six".