12870198 has 64 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 3808800.

The previous prime is 12870167. The next prime is 12870199. The reversal of 12870198 is 89107821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27688 + ... + 28148.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 2^12870198 is an apocalyptic number.

12870198 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 12870198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

12870198 is an abundant number, since it is smaller than the sum of its proper divisors (19063242).

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

12870198 is a wasteful number, since it uses less digits than its factorization.

12870198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 12870198 is about 3587.5058188106. The cubic root of 12870198 is about 234.3482651105.

The spelling of 12870198 in words is "twelve million, eight hundred seventy thousand, one hundred ninety-eight".