11047818 has 16 divisors (see below), whose sum is σ = 22610016. Its totient is φ = 3596880.

The previous prime is 11047783. The next prime is 11047847. The reversal of 11047818 is 81874011.

It is a super-2 number, since 2×11047818² = 244108565122248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21153 + ... + 21668.

It is an arithmetic number, because the mean of its divisors is an integer number (1413126).

Almost surely, 2^11047818 is an apocalyptic number.

11047818 is an abundant number, since it is smaller than the sum of its proper divisors (11562198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11047818 is a wasteful number, since it uses less digits than its factorization.

11047818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42869.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 11047818 is about 3323.8258077101. The cubic root of 11047818 is about 222.7198046693.

The spelling of 11047818 in words is "eleven million, forty-seven thousand, eight hundred eighteen".