11478849 has 4 divisors (see below), whose sum is σ = 15305136. Its totient is φ = 7652564.

The previous prime is 11478833. The next prime is 11478881. The reversal of 11478849 is 94887411.

11478849 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11478849 - 2⁴ = 11478833 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11478849.

It is not an unprimeable number, because it can be changed into a prime (11478829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913139 + ... + 1913144.

It is an arithmetic number, because the mean of its divisors is an integer number (3826284).

Almost surely, 2^11478849 is an apocalyptic number.

It is an amenable number.

11478849 is a deficient number, since it is larger than the sum of its proper divisors (3826287).

11478849 is an equidigital number, since it uses as much as digits as its factorization.

11478849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826286.

The product of its digits is 64512, while the sum is 42.

The square root of 11478849 is about 3388.0450115074. The cubic root of 11478849 is about 225.5794054373.

The spelling of 11478849 in words is "eleven million, four hundred seventy-eight thousand, eight hundred forty-nine".