11670133 has 4 divisors (see below), whose sum is σ = 11985580. Its totient is φ = 11354688.

The previous prime is 11670121. The next prime is 11670137. The reversal of 11670133 is 33107611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33107611 = 3637 ⋅9103.

It can be written as a sum of positive squares in 2 ways, for example, as 5484964 + 6185169 = 2342^2 + 2487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11670133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 157668 + ... + 157741.

It is an arithmetic number, because the mean of its divisors is an integer number (2996395).

Almost surely, 2^11670133 is an apocalyptic number.

It is an amenable number.

11670133 is a deficient number, since it is larger than the sum of its proper divisors (315447).

11670133 is an equidigital number, since it uses as much as digits as its factorization.

11670133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315446.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 11670133 is about 3416.1576368780. The cubic root of 11670133 is about 226.8255304516.

Adding to 11670133 its reverse (33107611), we get a palindrome (44777744).

The spelling of 11670133 in words is "eleven million, six hundred seventy thousand, one hundred thirty-three".