11032813 has 16 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 9203200.

The previous prime is 11032799. The next prime is 11032831. The reversal of 11032813 is 31823011.

11032813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11032813 - 2⁵ = 11032781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6948 + ... + 8386.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^11032813 is an apocalyptic number.

It is an amenable number.

11032813 is a deficient number, since it is larger than the sum of its proper divisors (2030867).

11032813 is a wasteful number, since it uses less digits than its factorization.

11032813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11032813 is about 3321.5678526864. The cubic root of 11032813 is about 222.6189272896.

Adding to 11032813 its reverse (31823011), we get a palindrome (42855824).

It can be divided in two parts, 1103 and 2813, that added together give a triangular number (3916 = T₈₈).

The spelling of 11032813 in words is "eleven million, thirty-two thousand, eight hundred thirteen".