10747921 has 2 divisors, whose sum is σ = 10747922. Its totient is φ = 10747920.

The previous prime is 10747903. The next prime is 10747937. The reversal of 10747921 is 12974701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6890625 + 3857296 = 2625^2 + 1964^2 .

It is a cyclic number.

It is not a de Polignac number, because 10747921 - 2⁵ = 10747889 is a prime.

It is equal to p₇₁₀₉₇₇ and since 10747921 and 710977 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10747991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5373960 + 5373961.

It is an arithmetic number, because the mean of its divisors is an integer number (5373961).

Almost surely, 2^10747921 is an apocalyptic number.

It is an amenable number.

10747921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10747921 is an equidigital number, since it uses as much as digits as its factorization.

10747921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 10747921 is about 3278.4022022931. The cubic root of 10747921 is about 220.6860197377.

The spelling of 10747921 in words is "ten million, seven hundred forty-seven thousand, nine hundred twenty-one".