12998598 has 16 divisors (see below), whose sum is σ = 26158656. Its totient is φ = 4305960.

The previous prime is 12998597. The next prime is 12998617. The reversal of 12998598 is 89589921.

It is a self number, because there is not a number n which added to its sum of digits gives 12998598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12998593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5668 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (1634916).

Almost surely, 2^12998598 is an apocalyptic number.

12998598 is an abundant number, since it is smaller than the sum of its proper divisors (13160058).

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

12998598 is a wasteful number, since it uses less digits than its factorization.

12998598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13459.

The product of its digits is 466560, while the sum is 51.

The square root of 12998598 is about 3605.3568478030. The cubic root of 12998598 is about 235.1250157214.

The spelling of 12998598 in words is "twelve million, nine hundred ninety-eight thousand, five hundred ninety-eight".