12589998 has 16 divisors (see below), whose sum is σ = 25321296. Its totient is φ = 4173120.

The previous prime is 12589949. The next prime is 12590003. The reversal of 12589998 is 89998521.

It is a self number, because there is not a number n which added to its sum of digits gives 12589998.

It is a congruent number.

It is an unprimeable number.

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, 4711 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (1582581).

Almost surely, 2^12589998 is an apocalyptic number.

12589998 is an abundant number, since it is smaller than the sum of its proper divisors (12731298).

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

12589998 is a wasteful number, since it uses less digits than its factorization.

12589998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11779.

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

The square root of 12589998 is about 3548.2387180121. The cubic root of 12589998 is about 232.6350885662.

The spelling of 12589998 in words is "twelve million, five hundred eighty-nine thousand, nine hundred ninety-eight".