11001613 has 12 divisors (see below), whose sum is σ = 13148128. Its totient is φ = 9016920.

The previous prime is 11001607. The next prime is 11001623. The reversal of 11001613 is 31610011.

It is a happy number.

11001613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11001613 - 2¹³ = 10993421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001593 and 11001602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2218 + ... + 5188.

Almost surely, 2^11001613 is an apocalyptic number.

It is an amenable number.

11001613 is a deficient number, since it is larger than the sum of its proper divisors (2146515).

11001613 is an equidigital number, since it uses as much as digits as its factorization.

11001613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 11001613 is about 3316.8679503411. The cubic root of 11001613 is about 222.4088790707.

Adding to 11001613 its reverse (31610011), we get a palindrome (42611624).

The spelling of 11001613 in words is "eleven million, one thousand, six hundred thirteen".