11047120 has 40 divisors (see below), whose sum is σ = 29355264. Its totient is φ = 3787392.

The previous prime is 11047117. The next prime is 11047121. The reversal of 11047120 is 2174011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11047094 and 11047103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11047121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9304 + ... + 10423.

Almost surely, 2^11047120 is an apocalyptic number.

11047120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11047120 is an abundant number, since it is smaller than the sum of its proper divisors (18308144).

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

11047120 is a wasteful number, since it uses less digits than its factorization.

11047120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747 (or 19741 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11047120 is about 3323.7208065660. The cubic root of 11047120 is about 222.7151140991.

The spelling of 11047120 in words is "eleven million, forty-seven thousand, one hundred twenty".