11313778 has 16 divisors (see below), whose sum is σ = 20416320. Its totient is φ = 4593456.

The previous prime is 11313763. The next prime is 11313811. The reversal of 11313778 is 87731311.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21001 + ... + 21532.

It is an arithmetic number, because the mean of its divisors is an integer number (1276020).

Almost surely, 2^11313778 is an apocalyptic number.

11313778 is a deficient number, since it is larger than the sum of its proper divisors (9102542).

11313778 is a wasteful number, since it uses less digits than its factorization.

11313778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42561.

The product of its digits is 3528, while the sum is 31.

The square root of 11313778 is about 3363.5959923867. The cubic root of 11313778 is about 224.4928693525.

The spelling of 11313778 in words is "eleven million, three hundred thirteen thousand, seven hundred seventy-eight".