11442427 has 4 divisors (see below), whose sum is σ = 12044680. Its totient is φ = 10840176.

The previous prime is 11442419. The next prime is 11442449. The reversal of 11442427 is 72424411.

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 11442427 - 2³ = 11442419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442467) 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, 301098 + ... + 301135.

It is an arithmetic number, because the mean of its divisors is an integer number (3011170).

Almost surely, 2^11442427 is an apocalyptic number.

11442427 is a deficient number, since it is larger than the sum of its proper divisors (602253).

11442427 is an equidigital number, since it uses as much as digits as its factorization.

11442427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602252.

The product of its digits is 1792, while the sum is 25.

The square root of 11442427 is about 3382.6656648271. The cubic root of 11442427 is about 225.3405673735.

Adding to 11442427 its reverse (72424411), we get a palindrome (83866838).

The spelling of 11442427 in words is "eleven million, four hundred forty-two thousand, four hundred twenty-seven".