11196540 has 72 divisors (see below), whose sum is σ = 35970480. Its totient is φ = 2809344.

The previous prime is 11196539. The next prime is 11196541. The reversal of 11196540 is 4569111.

11196540 is a `hidden beast` number, since 1 + 1 + 1 + 9 + 654 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11196539) and next prime (11196541).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11196541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1231 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (499590).

Almost surely, 2^11196540 is an apocalyptic number.

11196540 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 11196540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17985240).

11196540 is an abundant number, since it is smaller than the sum of its proper divisors (24773940).

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

11196540 is a wasteful number, since it uses less digits than its factorization.

11196540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11196540 is about 3346.1231298325. The cubic root of 11196540 is about 223.7147463782.

The spelling of 11196540 in words is "eleven million, one hundred ninety-six thousand, five hundred forty".