11520313 has 8 divisors (see below), whose sum is σ = 13591040. Its totient is φ = 9555840.

The previous prime is 11520307. The next prime is 11520323. The reversal of 11520313 is 31302511.

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

It is not a de Polignac number, because 11520313 - 2⁹ = 11519801 is a prime.

It is a super-2 number, since 2×11520313² = 265435223235938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26328 + ... + 26761.

It is an arithmetic number, because the mean of its divisors is an integer number (1698880).

Almost surely, 2^11520313 is an apocalyptic number.

It is an amenable number.

11520313 is a deficient number, since it is larger than the sum of its proper divisors (2070727).

11520313 is an equidigital number, since it uses as much as digits as its factorization.

11520313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53127.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 11520313 is about 3394.1586586369. The cubic root of 11520313 is about 225.8506923593.

Adding to 11520313 its reverse (31302511), we get a palindrome (42822824).

The spelling of 11520313 in words is "eleven million, five hundred twenty thousand, three hundred thirteen".