11428273 has 2 divisors, whose sum is σ = 11428274. Its totient is φ = 11428272.

The previous prime is 11428271. The next prime is 11428297. The reversal of 11428273 is 37282411.

11428273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6640929 + 4787344 = 2577^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 11428273 - 2¹ = 11428271 is a prime.

Together with 11428271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11428271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714136 + 5714137.

It is an arithmetic number, because the mean of its divisors is an integer number (5714137).

Almost surely, 2^11428273 is an apocalyptic number.

It is an amenable number.

11428273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11428273 is an equidigital number, since it uses as much as digits as its factorization.

11428273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 11428273 is about 3380.5728804450. The cubic root of 11428273 is about 225.2476154618.

The spelling of 11428273 in words is "eleven million, four hundred twenty-eight thousand, two hundred seventy-three".