11420567 has 2 divisors, whose sum is σ = 11420568. Its totient is φ = 11420566.

The previous prime is 11420543. The next prime is 11420573. The reversal of 11420567 is 76502411.

11420567 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11420567 - 2⁶ = 11420503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710283 + 5710284.

It is an arithmetic number, because the mean of its divisors is an integer number (5710284).

Almost surely, 2^11420567 is an apocalyptic number.

11420567 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420567 is an equidigital number, since it uses as much as digits as its factorization.

11420567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11420567 is about 3379.4329405982. The cubic root of 11420567 is about 225.1969764776.

Adding to 11420567 its reverse (76502411), we get a palindrome (87922978).

The spelling of 11420567 in words is "eleven million, four hundred twenty thousand, five hundred sixty-seven".