11986133 has 4 divisors (see below), whose sum is σ = 12080640. Its totient is φ = 11891628.

The previous prime is 11986127. The next prime is 11986147. The reversal of 11986133 is 33168911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11986133 - 2⁶ = 11986069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11986133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47063 + ... + 47316.

It is an arithmetic number, because the mean of its divisors is an integer number (3020160).

Almost surely, 2^11986133 is an apocalyptic number.

It is an amenable number.

11986133 is a deficient number, since it is larger than the sum of its proper divisors (94507).

11986133 is an equidigital number, since it uses as much as digits as its factorization.

11986133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94506.

The product of its digits is 3888, while the sum is 32.

The square root of 11986133 is about 3462.0995075243. The cubic root of 11986133 is about 228.8546270062.

The spelling of 11986133 in words is "eleven million, nine hundred eighty-six thousand, one hundred thirty-three".