11506033 has 12 divisors (see below), whose sum is σ = 14602032. Its totient is φ = 8965320.

The previous prime is 11505997. The next prime is 11506087. The reversal of 11506033 is 33060511.

It is not a de Polignac number, because 11506033 - 2¹³ = 11497841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11506033.

It is not an unprimeable number, because it can be changed into a prime (11506633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10135 + ... + 11212.

It is an arithmetic number, because the mean of its divisors is an integer number (1216836).

Almost surely, 2^11506033 is an apocalyptic number.

It is an amenable number.

11506033 is a deficient number, since it is larger than the sum of its proper divisors (3095999).

11506033 is a wasteful number, since it uses less digits than its factorization.

11506033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21372 (or 21365 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 11506033 is about 3392.0543922526. The cubic root of 11506033 is about 225.7573360595.

Adding to 11506033 its reverse (33060511), we get a palindrome (44566544).

The spelling of 11506033 in words is "eleven million, five hundred six thousand, thirty-three".