11129994 has 32 divisors (see below), whose sum is σ = 25056000. Its totient is φ = 3661632.

The previous prime is 11129981. The next prime is 11130001. The reversal of 11129994 is 49992111.

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 15 ways as a sum of consecutive naturals, for example, 2962 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (783000).

Almost surely, 2^11129994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11129994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12528000).

11129994 is an abundant number, since it is smaller than the sum of its proper divisors (13926006).

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

11129994 is a wasteful number, since it uses less digits than its factorization.

11129994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2693 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 11129994 is about 3336.1645642864. The cubic root of 11129994 is about 223.2706534331.

The spelling of 11129994 in words is "eleven million, one hundred twenty-nine thousand, nine hundred ninety-four".