11827990 has 16 divisors (see below), whose sum is σ = 21455280. Its totient is φ = 4694560.

The previous prime is 11827987. The next prime is 11827993. The reversal of 11827990 is 9972811.

It is an interprime number because it is at equal distance from previous prime (11827987) and next prime (11827993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11827993) 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 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 5824.

It is an arithmetic number, because the mean of its divisors is an integer number (1340955).

Almost surely, 2^11827990 is an apocalyptic number.

11827990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11827990 is a deficient number, since it is larger than the sum of its proper divisors (9627290).

11827990 is a wasteful number, since it uses less digits than its factorization.

11827990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 11827990 is about 3439.1844963596. The cubic root of 11827990 is about 227.8436781140.

The spelling of 11827990 in words is "eleven million, eight hundred twenty-seven thousand, nine hundred ninety".