11999933 has 6 divisors (see below), whose sum is σ = 13190142. Its totient is φ = 10908920.

The previous prime is 11999929. The next prime is 11999941. The reversal of 11999933 is 33999911.

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 4008004 = 2827^2 + 2002^2 .

It is not a de Polignac number, because 11999933 - 2² = 11999929 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11999903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49466 + ... + 49707.

It is an arithmetic number, because the mean of its divisors is an integer number (2198357).

Almost surely, 2^11999933 is an apocalyptic number.

It is an amenable number.

11999933 is a deficient number, since it is larger than the sum of its proper divisors (1190209).

11999933 is an equidigital number, since it uses as much as digits as its factorization.

11999933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99195 (or 99184 counting only the distinct ones).

The product of its digits is 59049, while the sum is 44.

The square root of 11999933 is about 3464.0919445072. The cubic root of 11999933 is about 228.9424224218.

The spelling of 11999933 in words is "eleven million, nine hundred ninety-nine thousand, nine hundred thirty-three".