11127428 has 12 divisors (see below), whose sum is σ = 20971020. Its totient is φ = 5135712.

The previous prime is 11127421. The next prime is 11127433. The reversal of 11127428 is 82472111.

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 4937284 = 2488^2 + 2222^2 .

It is a super-3 number, since 3×11127428³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 11127397 and 11127406.

It is not an unprimeable number, because it can be changed into a prime (11127421) 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, 106943 + ... + 107046.

It is an arithmetic number, because the mean of its divisors is an integer number (1747585).

Almost surely, 2^11127428 is an apocalyptic number.

It is an amenable number.

11127428 is a deficient number, since it is larger than the sum of its proper divisors (9843592).

11127428 is a wasteful number, since it uses less digits than its factorization.

11127428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214006 (or 214004 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 11127428 is about 3335.7799687629. The cubic root of 11127428 is about 223.2534938992.

Adding to 11127428 its reverse (82472111), we get a palindrome (93599539).

The spelling of 11127428 in words is "eleven million, one hundred twenty-seven thousand, four hundred twenty-eight".