11427047 has 2 divisors, whose sum is σ = 11427048. Its totient is φ = 11427046.

The previous prime is 11427041. The next prime is 11427049. The reversal of 11427047 is 74072411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11427047 - 2¹² = 11422951 is a prime.

Together with 11427049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11427041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713523 + 5713524.

It is an arithmetic number, because the mean of its divisors is an integer number (5713524).

Almost surely, 2^11427047 is an apocalyptic number.

11427047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11427047 is an equidigital number, since it uses as much as digits as its factorization.

11427047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 11427047 is about 3380.3915453687. The cubic root of 11427047 is about 225.2395604841.

Adding to 11427047 its reverse (74072411), we get a palindrome (85499458).

The spelling of 11427047 in words is "eleven million, four hundred twenty-seven thousand, forty-seven".