12998842 has 12 divisors (see below), whose sum is σ = 19710990. Its totient is φ = 6429248.

The previous prime is 12998819. The next prime is 12998849. The reversal of 12998842 is 24889921.

12998842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5331481 + 7667361 = 2309^2 + 2769^2 .

It is not an unprimeable number, because it can be changed into a prime (12998849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25284 + ... + 25792.

Almost surely, 2^12998842 is an apocalyptic number.

12998842 is a deficient number, since it is larger than the sum of its proper divisors (6712148).

12998842 is an equidigital number, since it uses as much as digits as its factorization.

12998842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 624 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 12998842 is about 3605.3906861809. The cubic root of 12998842 is about 235.1264869095.

The spelling of 12998842 in words is "twelve million, nine hundred ninety-eight thousand, eight hundred forty-two".