11613013 has 4 divisors (see below), whose sum is σ = 11682720. Its totient is φ = 11543308.

The previous prime is 11613011. The next prime is 11613071. The reversal of 11613013 is 31031611.

11613013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11613013 - 2¹ = 11613011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11613011) 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, 34603 + ... + 34936.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^11613013 is an apocalyptic number.

It is an amenable number.

11613013 is a deficient number, since it is larger than the sum of its proper divisors (69707).

11613013 is an equidigital number, since it uses as much as digits as its factorization.

11613013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69706.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 11613013 is about 3407.7871118953. The cubic root of 11613013 is about 226.4548557179.

Adding to 11613013 its reverse (31031611), we get a palindrome (42644624).

The spelling of 11613013 in words is "eleven million, six hundred thirteen thousand, thirteen".