11505772 has 6 divisors (see below), whose sum is σ = 20135108. Its totient is φ = 5752884.

The previous prime is 11505761. The next prime is 11505803. The reversal of 11505772 is 27750511.

11505772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11505772.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438218 + ... + 1438225.

Almost surely, 2^11505772 is an apocalyptic number.

It is an amenable number.

11505772 is a deficient number, since it is larger than the sum of its proper divisors (8629336).

11505772 is a wasteful number, since it uses less digits than its factorization.

11505772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876447 (or 2876445 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 11505772 is about 3392.0159197740. The cubic root of 11505772 is about 225.7556290388.

The spelling of 11505772 in words is "eleven million, five hundred five thousand, seven hundred seventy-two".