11847049 has 2 divisors, whose sum is σ = 11847050. Its totient is φ = 11847048.

The previous prime is 11846999. The next prime is 11847061. The reversal of 11847049 is 94074811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11269449 + 577600 = 3357^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 11847049 - 2⁷ = 11846921 is a prime.

It is not a weakly prime, because it can be changed into another prime (11847749) 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, 5923524 + 5923525.

It is an arithmetic number, because the mean of its divisors is an integer number (5923525).

Almost surely, 2^11847049 is an apocalyptic number.

It is an amenable number.

11847049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847049 is an equidigital number, since it uses as much as digits as its factorization.

11847049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 11847049 is about 3441.9542414158. The cubic root of 11847049 is about 227.9659908748.

The spelling of 11847049 in words is "eleven million, eight hundred forty-seven thousand, forty-nine".