12788492 has 24 divisors (see below), whose sum is σ = 23288832. Its totient is φ = 6138000.

The previous prime is 12788473. The next prime is 12788497. The reversal of 12788492 is 29488721.

It is not an unprimeable number, because it can be changed into a prime (12788497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18383 + ... + 19065.

It is an arithmetic number, because the mean of its divisors is an integer number (970368).

Almost surely, 2^12788492 is an apocalyptic number.

It is an amenable number.

12788492 is a deficient number, since it is larger than the sum of its proper divisors (10500340).

12788492 is a wasteful number, since it uses less digits than its factorization.

12788492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 12788492 is about 3576.1001104555. The cubic root of 12788492 is about 233.8512947122.

The spelling of 12788492 in words is "twelve million, seven hundred eighty-eight thousand, four hundred ninety-two".