11133473 has 4 divisors (see below), whose sum is σ = 11989908. Its totient is φ = 10277040.

The previous prime is 11133467. The next prime is 11133481. The reversal of 11133473 is 37433111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6012304 + 5121169 = 2452^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133473 - 2⁸ = 11133217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11133413) 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, 428198 + ... + 428223.

It is an arithmetic number, because the mean of its divisors is an integer number (2997477).

Almost surely, 2^11133473 is an apocalyptic number.

11133473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11133473 is a deficient number, since it is larger than the sum of its proper divisors (856435).

11133473 is an equidigital number, since it uses as much as digits as its factorization.

11133473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856434.

The product of its digits is 756, while the sum is 23.

The square root of 11133473 is about 3336.6859306803. The cubic root of 11133473 is about 223.2939142329.

Adding to 11133473 its reverse (37433111), we get a palindrome (48566584).

The spelling of 11133473 in words is "eleven million, one hundred thirty-three thousand, four hundred seventy-three".