11213033 has 4 divisors (see below), whose sum is σ = 12075588. Its totient is φ = 10350480.

The previous prime is 11212997. The next prime is 11213057. The reversal of 11213033 is 33031211.

11213033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3356224 + 7856809 = 1832^2 + 2803^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213033 - 2⁸ = 11212777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212999 and 11213017.

It is not an unprimeable number, because it can be changed into a prime (11213063) 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, 431258 + ... + 431283.

It is an arithmetic number, because the mean of its divisors is an integer number (3018897).

Almost surely, 2^11213033 is an apocalyptic number.

11213033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11213033 is a deficient number, since it is larger than the sum of its proper divisors (862555).

11213033 is an equidigital number, since it uses as much as digits as its factorization.

11213033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862554.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11213033 is about 3348.5867168105. The cubic root of 11213033 is about 223.8245397335.

Adding to 11213033 its reverse (33031211), we get a palindrome (44244244).

The spelling of 11213033 in words is "eleven million, two hundred thirteen thousand, thirty-three".