11065428 has 36 divisors (see below), whose sum is σ = 30514848. Its totient is φ = 3353040.

The previous prime is 11065427. The next prime is 11065441. The reversal of 11065428 is 82456011.

11065428 is a `hidden beast` number, since 1 + 1 + 0 + 654 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13576 + ... + 14367.

Almost surely, 2^11065428 is an apocalyptic number.

11065428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11065428 is an abundant number, since it is smaller than the sum of its proper divisors (19449420).

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

11065428 is a wasteful number, since it uses less digits than its factorization.

11065428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964 (or 27959 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 11065428 is about 3326.4738087049. The cubic root of 11065428 is about 222.8380788144.

The spelling of 11065428 in words is "eleven million, sixty-five thousand, four hundred twenty-eight".