11309312 has 36 divisors (see below), whose sum is σ = 25803456. Its totient is φ = 4846080.

The previous prime is 11309303. The next prime is 11309321. The reversal of 11309312 is 21390311.

It is an interprime number because it is at equal distance from previous prime (11309303) and next prime (11309321).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 4947.

Almost surely, 2^11309312 is an apocalyptic number.

It is an amenable number.

11309312 is an abundant number, since it is smaller than the sum of its proper divisors (14494144).

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

11309312 is an frugal number, since it uses more digits than its factorization.

11309312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334 (or 6320 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11309312 is about 3362.9320540267. The cubic root of 11309312 is about 224.4633266980.

Adding to 11309312 its reverse (21390311), we get a palindrome (32699623).

The spelling of 11309312 in words is "eleven million, three hundred nine thousand, three hundred twelve".