11198656 has 42 divisors (see below), whose sum is σ = 25857708. Its totient is φ = 4798080.

The previous prime is 11198599. The next prime is 11198687. The reversal of 11198656 is 65689111.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1351 + ... + 4921.

Almost surely, 2^11198656 is an apocalyptic number.

11198656 is a gapful number since it is divisible by the number (16) 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 11198656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12928854).

11198656 is an abundant number, since it is smaller than the sum of its proper divisors (14659052).

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

11198656 is an equidigital number, since it uses as much as digits as its factorization.

11198656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597 (or 3580 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 11198656 is about 3346.4393017056. The cubic root of 11198656 is about 223.7288385467.

The spelling of 11198656 in words is "eleven million, one hundred ninety-eight thousand, six hundred fifty-six".