11802247 has 2 divisors, whose sum is σ = 11802248. Its totient is φ = 11802246.

The previous prime is 11802229. The next prime is 11802257. The reversal of 11802247 is 74220811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11802247 - 2¹¹ = 11800199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11802257) 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, 5901123 + 5901124.

It is an arithmetic number, because the mean of its divisors is an integer number (5901124).

Almost surely, 2^11802247 is an apocalyptic number.

11802247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11802247 is an equidigital number, since it uses as much as digits as its factorization.

11802247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 11802247 is about 3435.4398553897. The cubic root of 11802247 is about 227.6782614431.

The spelling of 11802247 in words is "eleven million, eight hundred two thousand, two hundred forty-seven".