11520312 has 16 divisors (see below), whose sum is σ = 28800840. Its totient is φ = 3840096.

The previous prime is 11520307. The next prime is 11520323. The reversal of 11520312 is 21302511.

It is a junction number, because it is equal to n+sod(n) for n = 11520291 and 11520300.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 239983 + ... + 240030.

Almost surely, 2^11520312 is an apocalyptic number.

11520312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11520312 is an abundant number, since it is smaller than the sum of its proper divisors (17280528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11520312 is a wasteful number, since it uses less digits than its factorization.

11520312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480022 (or 480018 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11520312 is about 3394.1585113250. The cubic root of 11520312 is about 225.8506858244.

Adding to 11520312 its reverse (21302511), we get a palindrome (32822823).

The spelling of 11520312 in words is "eleven million, five hundred twenty thousand, three hundred twelve".