11959133 has 2 divisors, whose sum is σ = 11959134. Its totient is φ = 11959132.

The previous prime is 11959093. The next prime is 11959139. The reversal of 11959133 is 33195911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 1369 = 3458^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 11959133 - 2¹² = 11955037 is a prime.

It is a super-2 number, since 2×11959133² = 286041724223378, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11959133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11959139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979566 + 5979567.

It is an arithmetic number, because the mean of its divisors is an integer number (5979567).

Almost surely, 2^11959133 is an apocalyptic number.

It is an amenable number.

11959133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959133 is an equidigital number, since it uses as much as digits as its factorization.

11959133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645, while the sum is 32.

The square root of 11959133 is about 3458.1979411248. The cubic root of 11959133 is about 228.6826582705.

The spelling of 11959133 in words is "eleven million, nine hundred fifty-nine thousand, one hundred thirty-three".