11198790 has 128 divisors (see below), whose sum is σ = 32832000. Its totient is φ = 2706048.

The previous prime is 11198749. The next prime is 11198819. The reversal of 11198790 is 9789111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189781 + ... + 189839.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

Almost surely, 2^11198790 is an apocalyptic number.

11198790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11198790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16416000).

11198790 is an abundant number, since it is smaller than the sum of its proper divisors (21633210).

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

11198790 is a wasteful number, since it uses less digits than its factorization.

11198790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 11198790 is about 3346.4593229262. The cubic root of 11198790 is about 223.7297309022.

The spelling of 11198790 in words is "eleven million, one hundred ninety-eight thousand, seven hundred ninety".