11201947 has 2 divisors, whose sum is σ = 11201948. Its totient is φ = 11201946.

The previous prime is 11201893. The next prime is 11201951. The reversal of 11201947 is 74910211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201947 - 2¹¹ = 11199899 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600973 + 5600974.

It is an arithmetic number, because the mean of its divisors is an integer number (5600974).

Almost surely, 2^11201947 is an apocalyptic number.

11201947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201947 is an equidigital number, since it uses as much as digits as its factorization.

11201947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 11201947 is about 3346.9309822582. The cubic root of 11201947 is about 223.7507524709.

The spelling of 11201947 in words is "eleven million, two hundred one thousand, nine hundred forty-seven".