11578849 has 2 divisors, whose sum is σ = 11578850. Its totient is φ = 11578848.

The previous prime is 11578823. The next prime is 11578883. The reversal of 11578849 is 94887511.

It is a happy number.

11578849 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11424400 + 154449 = 3380^2 + 393^2 .

It is an emirp because it is prime and its reverse (94887511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11578849 - 2¹⁵ = 11546081 is a prime.

It is not a weakly prime, because it can be changed into another prime (11578549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5789424 + 5789425.

It is an arithmetic number, because the mean of its divisors is an integer number (5789425).

Almost surely, 2^11578849 is an apocalyptic number.

It is an amenable number.

11578849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11578849 is an equidigital number, since it uses as much as digits as its factorization.

11578849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 43.

The square root of 11578849 is about 3402.7707827593. The cubic root of 11578849 is about 226.2325705161.

The spelling of 11578849 in words is "eleven million, five hundred seventy-eight thousand, eight hundred forty-nine".