11447427 has 4 divisors (see below), whose sum is σ = 15263240. Its totient is φ = 7631616.

The previous prime is 11447407. The next prime is 11447453. The reversal of 11447427 is 72474411.

11447427 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 not a de Polignac number, because 11447427 - 2⁶ = 11447363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11447394 and 11447403.

It is not an unprimeable number, because it can be changed into a prime (11447407) 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, 1907902 + ... + 1907907.

It is an arithmetic number, because the mean of its divisors is an integer number (3815810).

Almost surely, 2^11447427 is an apocalyptic number.

11447427 is a deficient number, since it is larger than the sum of its proper divisors (3815813).

11447427 is an equidigital number, since it uses as much as digits as its factorization.

11447427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815812.

The product of its digits is 6272, while the sum is 30.

The square root of 11447427 is about 3383.4046462107. The cubic root of 11447427 is about 225.3733849674.

The spelling of 11447427 in words is "eleven million, four hundred forty-seven thousand, four hundred twenty-seven".