11309613 has 8 divisors (see below), whose sum is σ = 17233728. Its totient is φ = 6462624.

The previous prime is 11309603. The next prime is 11309621. The reversal of 11309613 is 31690311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11309613 - 2⁶ = 11309549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269256 + ... + 269297.

It is an arithmetic number, because the mean of its divisors is an integer number (2154216).

Almost surely, 2^11309613 is an apocalyptic number.

It is an amenable number.

11309613 is a deficient number, since it is larger than the sum of its proper divisors (5924115).

11309613 is an equidigital number, since it uses as much as digits as its factorization.

11309613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538563.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 11309613 is about 3362.9768063429. The cubic root of 11309613 is about 224.4653180618.

Adding to 11309613 its reverse (31690311), we get a palindrome (42999924).

The spelling of 11309613 in words is "eleven million, three hundred nine thousand, six hundred thirteen".