12098880 has 84 divisors (see below), whose sum is σ = 41625012. Its totient is φ = 3225600.

The previous prime is 12098861. The next prime is 12098903. The reversal of 12098880 is 8889021.

It can be written as a sum of positive squares in 2 ways, for example, as 2214144 + 9884736 = 1488^2 + 3144^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780 + ... + 4980.

Almost surely, 2^12098880 is an apocalyptic number.

12098880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12098880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20812506).

12098880 is an abundant number, since it is smaller than the sum of its proper divisors (29526132).

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

12098880 is a wasteful number, since it uses less digits than its factorization.

12098880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 12098880 is about 3478.3444337788. The cubic root of 12098880 is about 229.5699588792.

The spelling of 12098880 in words is "twelve million, ninety-eight thousand, eight hundred eighty".