11047745 has 4 divisors (see below), whose sum is σ = 13257300. Its totient is φ = 8838192.

The previous prime is 11047741. The next prime is 11047763. The reversal of 11047745 is 54774011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54774011 = 29 ⋅1888759.

It can be written as a sum of positive squares in 2 ways, for example, as 8116801 + 2930944 = 2849^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 11047745 - 2² = 11047741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11047741) 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, 1104770 + ... + 1104779.

It is an arithmetic number, because the mean of its divisors is an integer number (3314325).

Almost surely, 2^11047745 is an apocalyptic number.

It is an amenable number.

11047745 is a deficient number, since it is larger than the sum of its proper divisors (2209555).

11047745 is an equidigital number, since it uses as much as digits as its factorization.

11047745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209554.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 11047745 is about 3323.8148263704. The cubic root of 11047745 is about 222.7193141174.

The spelling of 11047745 in words is "eleven million, forty-seven thousand, seven hundred forty-five".