12498398 has 8 divisors (see below), whose sum is σ = 20451960. Its totient is φ = 5681080.

The previous prime is 12498379. The next prime is 12498401. The reversal of 12498398 is 89389421.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284033 + ... + 284076.

It is an arithmetic number, because the mean of its divisors is an integer number (2556495).

Almost surely, 2^12498398 is an apocalyptic number.

12498398 is a deficient number, since it is larger than the sum of its proper divisors (7953562).

12498398 is a wasteful number, since it uses less digits than its factorization.

12498398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568122.

The product of its digits is 124416, while the sum is 44.

The square root of 12498398 is about 3535.3073416607. The cubic root of 12498398 is about 232.0695268233.

The spelling of 12498398 in words is "twelve million, four hundred ninety-eight thousand, three hundred ninety-eight".