11711428 has 12 divisors (see below), whose sum is σ = 21156352. Its totient is φ = 5666760.

The previous prime is 11711411. The next prime is 11711431. The reversal of 11711428 is 82411711.

11711428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47100 + ... + 47347.

Almost surely, 2^11711428 is an apocalyptic number.

It is an amenable number.

11711428 is a deficient number, since it is larger than the sum of its proper divisors (9444924).

11711428 is a wasteful number, since it uses less digits than its factorization.

11711428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94482 (or 94480 counting only the distinct ones).

The product of its digits is 448, while the sum is 25.

The square root of 11711428 is about 3422.1963707537. The cubic root of 11711428 is about 227.0927577343.

The spelling of 11711428 in words is "eleven million, seven hundred eleven thousand, four hundred twenty-eight".