12098128 has 40 divisors (see below), whose sum is σ = 27061760. Its totient is φ = 5132160.

The previous prime is 12098113. The next prime is 12098159. The reversal of 12098128 is 82189021.

It is a happy number.

It is a super-2 number, since 2×12098128² = 292729402208768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12098128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11713 + ... + 12703.

It is an arithmetic number, because the mean of its divisors is an integer number (676544).

Almost surely, 2^12098128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12098128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13530880).

12098128 is an abundant number, since it is smaller than the sum of its proper divisors (14963632).

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

12098128 is a wasteful number, since it uses less digits than its factorization.

12098128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12098128 is about 3478.2363346961. The cubic root of 12098128 is about 229.5652025109.

The spelling of 12098128 in words is "twelve million, ninety-eight thousand, one hundred twenty-eight".