11122513 has 4 divisors (see below), whose sum is σ = 11152240. Its totient is φ = 11092788.

The previous prime is 11122511. The next prime is 11122519. The reversal of 11122513 is 31522111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31522111 = 193 ⋅163327.

It is a cyclic number.

It is not a de Polignac number, because 11122513 - 2¹ = 11122511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122511) 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 3 ways as a sum of consecutive naturals, for example, 14295 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (2788060).

Almost surely, 2^11122513 is an apocalyptic number.

It is an amenable number.

11122513 is a deficient number, since it is larger than the sum of its proper divisors (29727).

11122513 is an equidigital number, since it uses as much as digits as its factorization.

11122513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29726.

The product of its digits is 60, while the sum is 16.

The square root of 11122513 is about 3335.0431781313. The cubic root of 11122513 is about 223.2206186016.

Adding to 11122513 its reverse (31522111), we get a palindrome (42644624).

The spelling of 11122513 in words is "eleven million, one hundred twenty-two thousand, five hundred thirteen".