11028427 has 4 divisors (see below), whose sum is σ = 11677176. Its totient is φ = 10379680.

The previous prime is 11028421. The next prime is 11028443. The reversal of 11028427 is 72482011.

It is a happy number.

11028427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11028427 - 2³ = 11028419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11028421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324349 + ... + 324382.

It is an arithmetic number, because the mean of its divisors is an integer number (2919294).

Almost surely, 2^11028427 is an apocalyptic number.

11028427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11028427 is a deficient number, since it is larger than the sum of its proper divisors (648749).

11028427 is an equidigital number, since it uses as much as digits as its factorization.

11028427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648748.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 11028427 is about 3320.9075566778. The cubic root of 11028427 is about 222.5894232991.

The spelling of 11028427 in words is "eleven million, twenty-eight thousand, four hundred twenty-seven".