11870849 has 2 divisors, whose sum is σ = 11870850. Its totient is φ = 11870848.

The previous prime is 11870819. The next prime is 11870867. The reversal of 11870849 is 94807811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 37249 = 3440^2 + 193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11870849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11870819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935424 + 5935425.

It is an arithmetic number, because the mean of its divisors is an integer number (5935425).

Almost surely, 2^11870849 is an apocalyptic number.

It is an amenable number.

11870849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11870849 is an equidigital number, since it uses as much as digits as its factorization.

11870849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11870849 is about 3445.4098449967. The cubic root of 11870849 is about 228.1185453606.

The spelling of 11870849 in words is "eleven million, eight hundred seventy thousand, eight hundred forty-nine".