12788858 has 8 divisors (see below), whose sum is σ = 19198740. Its totient is φ = 6389280.

The previous prime is 12788857. The next prime is 12788863. The reversal of 12788858 is 85888721.

It can be written as a sum of positive squares in 2 ways, for example, as 9840769 + 2948089 = 3137^2 + 1717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12788857) by changing a digit.

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, 2648 + ... + 5708.

Almost surely, 2^12788858 is an apocalyptic number.

12788858 is a deficient number, since it is larger than the sum of its proper divisors (6409882).

12788858 is a wasteful number, since it uses less digits than its factorization.

12788858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152.

The product of its digits is 286720, while the sum is 47.

The square root of 12788858 is about 3576.1512831534. The cubic root of 12788858 is about 233.8535255918.

The spelling of 12788858 in words is "twelve million, seven hundred eighty-eight thousand, eight hundred fifty-eight".