12498318 has 48 divisors (see below), whose sum is σ = 31146336. Its totient is φ = 3548160.

The previous prime is 12498313. The next prime is 12498323. The reversal of 12498318 is 81389421.

It is an interprime number because it is at equal distance from previous prime (12498313) and next prime (12498323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12498313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35230 + ... + 35582.

It is an arithmetic number, because the mean of its divisors is an integer number (648882).

Almost surely, 2^12498318 is an apocalyptic number.

12498318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12498318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15573168).

12498318 is an abundant number, since it is smaller than the sum of its proper divisors (18648018).

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

12498318 is a wasteful number, since it uses less digits than its factorization.

12498318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 646 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 12498318 is about 3535.2960272090. The cubic root of 12498318 is about 232.0690316771.

The spelling of 12498318 in words is "twelve million, four hundred ninety-eight thousand, three hundred eighteen".