11309900 has 72 divisors (see below), whose sum is σ = 28498176. Its totient is φ = 3816000.

The previous prime is 11309899. The next prime is 11309911. The reversal of 11309900 is 990311.

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 23 ways as a sum of consecutive naturals, for example, 74825 + ... + 74975.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 2^11309900 is an apocalyptic number.

11309900 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 11309900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14249088).

11309900 is an abundant number, since it is smaller than the sum of its proper divisors (17188276).

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

11309900 is a wasteful number, since it uses less digits than its factorization.

11309900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 11309900 is about 3363.0194766013. The cubic root of 11309900 is about 224.4672167711.

The spelling of 11309900 in words is "eleven million, three hundred nine thousand, nine hundred".