11368013 has 4 divisors (see below), whose sum is σ = 11379900. Its totient is φ = 11356128.

The previous prime is 11367959. The next prime is 11368043. The reversal of 11368013 is 31086311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31086311 = 617 ⋅50383.

It can be written as a sum of positive squares in 2 ways, for example, as 6646084 + 4721929 = 2578^2 + 2173^2 .

It is a cyclic number.

It is not a de Polignac number, because 11368013 - 2¹² = 11363917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11368013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11368043) 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, 4370 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (2844975).

Almost surely, 2^11368013 is an apocalyptic number.

It is an amenable number.

11368013 is a deficient number, since it is larger than the sum of its proper divisors (11887).

11368013 is a wasteful number, since it uses less digits than its factorization.

11368013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11368013 is about 3371.6484099028. The cubic root of 11368013 is about 224.8510157748.

The spelling of 11368013 in words is "eleven million, three hundred sixty-eight thousand, thirteen".