11123013 has 16 divisors (see below), whose sum is σ = 16575552. Its totient is φ = 6576000.

The previous prime is 11123011. The next prime is 11123023. The reversal of 11123013 is 31032111.

11123013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11123013 - 2¹ = 11123011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123011) 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, 2758 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (1035972).

Almost surely, 2^11123013 is an apocalyptic number.

It is an amenable number.

11123013 is a deficient number, since it is larger than the sum of its proper divisors (5452539).

11123013 is a wasteful number, since it uses less digits than its factorization.

11123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11123013 is about 3335.1181388371. The cubic root of 11123013 is about 223.2239634283.

Adding to 11123013 its reverse (31032111), we get a palindrome (42155124).

The spelling of 11123013 in words is "eleven million, one hundred twenty-three thousand, thirteen".