11042913 has 16 divisors (see below), whose sum is σ = 17371136. Its totient is φ = 6106320.

The previous prime is 11042897. The next prime is 11042917. The reversal of 11042913 is 31924011.

It is not a de Polignac number, because 11042913 - 2⁴ = 11042897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11042913.

It is not an unprimeable number, because it can be changed into a prime (11042917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7831 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (1085696).

Almost surely, 2^11042913 is an apocalyptic number.

It is an amenable number.

11042913 is a deficient number, since it is larger than the sum of its proper divisors (6328223).

11042913 is a wasteful number, since it uses less digits than its factorization.

11042913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11042913 is about 3323.0878712426. The cubic root of 11042913 is about 222.6868388126.

Adding to 11042913 its reverse (31924011), we get a palindrome (42966924).

The spelling of 11042913 in words is "eleven million, forty-two thousand, nine hundred thirteen".