11308312 has 32 divisors (see below), whose sum is σ = 22049280. Its totient is φ = 5433120.

The previous prime is 11308309. The next prime is 11308351. The reversal of 11308312 is 21380311.

It is a self number, because there is not a number n which added to its sum of digits gives 11308312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24193 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (689040).

Almost surely, 2^11308312 is an apocalyptic number.

It is an amenable number.

11308312 is a deficient number, since it is larger than the sum of its proper divisors (10740968).

11308312 is a wasteful number, since it uses less digits than its factorization.

11308312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11308312 is about 3362.7833709592. The cubic root of 11308312 is about 224.4567106179.

Adding to 11308312 its reverse (21380311), we get a palindrome (32688623).

The spelling of 11308312 in words is "eleven million, three hundred eight thousand, three hundred twelve".