11947193 has 2 divisors, whose sum is σ = 11947194. Its totient is φ = 11947192.

The previous prime is 11947153. The next prime is 11947213. The reversal of 11947193 is 39174911.

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., 6620329 + 5326864 = 2573^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 11947193 - 2⁶ = 11947129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11947123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973596 + 5973597.

It is an arithmetic number, because the mean of its divisors is an integer number (5973597).

Almost surely, 2^11947193 is an apocalyptic number.

It is an amenable number.

11947193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11947193 is an equidigital number, since it uses as much as digits as its factorization.

11947193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 35.

The square root of 11947193 is about 3456.4711773715. The cubic root of 11947193 is about 228.6065273296.

The spelling of 11947193 in words is "eleven million, nine hundred forty-seven thousand, one hundred ninety-three".