11828990 has 16 divisors (see below), whose sum is σ = 21533040. Its totient is φ = 4678080.

The previous prime is 11828989. The next prime is 11829023. The reversal of 11828990 is 9982811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 7535.

It is an arithmetic number, because the mean of its divisors is an integer number (1345815).

Almost surely, 2^11828990 is an apocalyptic number.

11828990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11828990 is a deficient number, since it is larger than the sum of its proper divisors (9704050).

11828990 is a wasteful number, since it uses less digits than its factorization.

11828990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 11828990 is about 3439.3298765893. The cubic root of 11828990 is about 227.8500989642.

The spelling of 11828990 in words is "eleven million, eight hundred twenty-eight thousand, nine hundred ninety".