11863133 has 2 divisors, whose sum is σ = 11863134. Its totient is φ = 11863132.

The previous prime is 11863121. The next prime is 11863151. The reversal of 11863133 is 33136811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10510564 + 1352569 = 3242^2 + 1163^2 .

It is an emirp because it is prime and its reverse (33136811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11863133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11863153) 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 as a sum of consecutive naturals, namely, 5931566 + 5931567.

It is an arithmetic number, because the mean of its divisors is an integer number (5931567).

Almost surely, 2^11863133 is an apocalyptic number.

It is an amenable number.

11863133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11863133 is an equidigital number, since it uses as much as digits as its factorization.

11863133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 11863133 is about 3444.2899123041. The cubic root of 11863133 is about 228.0691092953.

Adding to 11863133 its reverse (33136811), we get a palindrome (44999944).

The spelling of 11863133 in words is "eleven million, eight hundred sixty-three thousand, one hundred thirty-three".