11420033 has 4 divisors (see below), whose sum is σ = 11426820. Its totient is φ = 11413248.

The previous prime is 11420027. The next prime is 11420041. The reversal of 11420033 is 33002411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5793649 + 5626384 = 2407^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420033 - 2⁸ = 11419777 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 (11420063) 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, 1241 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (2856705).

Almost surely, 2^11420033 is an apocalyptic number.

It is an amenable number.

11420033 is a deficient number, since it is larger than the sum of its proper divisors (6787).

11420033 is an equidigital number, since it uses as much as digits as its factorization.

11420033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 11420033 is about 3379.3539323368. The cubic root of 11420033 is about 225.1934665217.

Adding to 11420033 its reverse (33002411), we get a palindrome (44422444).

The spelling of 11420033 in words is "eleven million, four hundred twenty thousand, thirty-three".