12784998 has 16 divisors (see below), whose sum is σ = 26452080. Its totient is φ = 4114656.

The previous prime is 12784991. The next prime is 12784999. The reversal of 12784998 is 89948721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784991) 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 7 ways as a sum of consecutive naturals, for example, 36565 + ... + 36912.

It is an arithmetic number, because the mean of its divisors is an integer number (1653255).

Almost surely, 2^12784998 is an apocalyptic number.

12784998 is an abundant number, since it is smaller than the sum of its proper divisors (13667082).

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

12784998 is a wasteful number, since it uses less digits than its factorization.

12784998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73511.

The product of its digits is 290304, while the sum is 48.

The square root of 12784998 is about 3575.6115560838. The cubic root of 12784998 is about 233.8299955929.

The spelling of 12784998 in words is "twelve million, seven hundred eighty-four thousand, nine hundred ninety-eight".