11428706 has 4 divisors (see below), whose sum is σ = 17143062. Its totient is φ = 5714352.

The previous prime is 11428699. The next prime is 11428717. The reversal of 11428706 is 60782411.

11428706 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, and also an emirpimes, since its reverse is a distinct semiprime: 60782411 = 251 ⋅242161.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 4165681 = 2695^2 + 2041^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857175 + ... + 2857178.

Almost surely, 2^11428706 is an apocalyptic number.

11428706 is a deficient number, since it is larger than the sum of its proper divisors (5714356).

11428706 is an equidigital number, since it uses as much as digits as its factorization.

11428706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714355.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11428706 is about 3380.6369222382. The cubic root of 11428706 is about 225.2504601898.

The spelling of 11428706 in words is "eleven million, four hundred twenty-eight thousand, seven hundred six".