11199530 has 16 divisors (see below), whose sum is σ = 20704680. Its totient is φ = 4358592.

The previous prime is 11199509. The next prime is 11199541. The reversal of 11199530 is 3599111.

It can be written as a sum of positive squares in 4 ways, for example, as 11162281 + 37249 = 3341^2 + 193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11199493 and 11199502.

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 7 ways as a sum of consecutive naturals, for example, 14765 + ... + 15504.

Almost surely, 2^11199530 is an apocalyptic number.

11199530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11199530 is a deficient number, since it is larger than the sum of its proper divisors (9505150).

11199530 is a wasteful number, since it uses less digits than its factorization.

11199530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30313.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 11199530 is about 3346.5698857188. The cubic root of 11199530 is about 223.7346587070.

The spelling of 11199530 in words is "eleven million, one hundred ninety-nine thousand, five hundred thirty".