11124013 has 4 divisors (see below), whose sum is σ = 11424700. Its totient is φ = 10823328.

The previous prime is 11123963. The next prime is 11124053. The reversal of 11124013 is 31042111.

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 7387524 + 3736489 = 2718^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124013 - 2¹³ = 11115821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123984 and 11124002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124053) 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, 150288 + ... + 150361.

It is an arithmetic number, because the mean of its divisors is an integer number (2856175).

Almost surely, 2^11124013 is an apocalyptic number.

It is an amenable number.

11124013 is a deficient number, since it is larger than the sum of its proper divisors (300687).

11124013 is an equidigital number, since it uses as much as digits as its factorization.

11124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300686.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11124013 is about 3335.2680551944. The cubic root of 11124013 is about 223.2306527811.

Adding to 11124013 its reverse (31042111), we get a palindrome (42166124).

The spelling of 11124013 in words is "eleven million, one hundred twenty-four thousand, thirteen".