11198740 has 48 divisors (see below), whose sum is σ = 27546624. Its totient is φ = 3744000.

The previous prime is 11198713. The next prime is 11198743. The reversal of 11198740 is 4789111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4765 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (573888).

Almost surely, 2^11198740 is an apocalyptic number.

11198740 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 11198740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13773312).

11198740 is an abundant number, since it is smaller than the sum of its proper divisors (16347884).

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

11198740 is a wasteful number, since it uses less digits than its factorization.

11198740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 11198740 is about 3346.4518523355. The cubic root of 11198740 is about 223.7293979346.

The spelling of 11198740 in words is "eleven million, one hundred ninety-eight thousand, seven hundred forty".