11319913 has 6 divisors (see below), whose sum is σ = 12442682. Its totient is φ = 10290720.

The previous prime is 11319901. The next prime is 11319923. The reversal of 11319913 is 31991311.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 1283689 = 3168^2 + 1133^2 .

It is not a de Polignac number, because 11319913 - 2⁹ = 11319401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11319923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46656 + ... + 46897.

Almost surely, 2^11319913 is an apocalyptic number.

It is an amenable number.

11319913 is a deficient number, since it is larger than the sum of its proper divisors (1122769).

11319913 is an equidigital number, since it uses as much as digits as its factorization.

11319913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93575 (or 93564 counting only the distinct ones).

The product of its digits is 729, while the sum is 28.

The square root of 11319913 is about 3364.5078391943. The cubic root of 11319913 is about 224.5334397934.

The spelling of 11319913 in words is "eleven million, three hundred nineteen thousand, nine hundred thirteen".