11947433 has 2 divisors, whose sum is σ = 11947434. Its totient is φ = 11947432.

The previous prime is 11947417. The next prime is 11947471. The reversal of 11947433 is 33474911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 196249 = 3428^2 + 443^2 .

It is an emirp because it is prime and its reverse (33474911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11947433 - 2⁴ = 11947417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11947433.

It is not a weakly prime, because it can be changed into another prime (11947483) 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, 5973716 + 5973717.

It is an arithmetic number, because the mean of its divisors is an integer number (5973717).

Almost surely, 2^11947433 is an apocalyptic number.

It is an amenable number.

11947433 is a deficient number, since it is larger than the sum of its proper divisors (1).

11947433 is an equidigital number, since it uses as much as digits as its factorization.

11947433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 11947433 is about 3456.5058946861. The cubic root of 11947433 is about 228.6080580991.

The spelling of 11947433 in words is "eleven million, nine hundred forty-seven thousand, four hundred thirty-three".