11321747 has 2 divisors, whose sum is σ = 11321748. Its totient is φ = 11321746.

The previous prime is 11321729. The next prime is 11321749. The reversal of 11321747 is 74712311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11321747 - 2⁶ = 11321683 is a prime.

Together with 11321749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11321749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660873 + 5660874.

It is an arithmetic number, because the mean of its divisors is an integer number (5660874).

Almost surely, 2^11321747 is an apocalyptic number.

11321747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321747 is an equidigital number, since it uses as much as digits as its factorization.

11321747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 11321747 is about 3364.7803791630. The cubic root of 11321747 is about 224.5455650954.

The spelling of 11321747 in words is "eleven million, three hundred twenty-one thousand, seven hundred forty-seven".