10921747 has 2 divisors, whose sum is σ = 10921748. Its totient is φ = 10921746.

The previous prime is 10921739. The next prime is 10921753. The reversal of 10921747 is 74712901.

10921747 is digitally balanced in base 2, 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 10921747 - 2³ = 10921739 is a prime.

It is not a weakly prime, because it can be changed into another prime (10921727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460873 + 5460874.

It is an arithmetic number, because the mean of its divisors is an integer number (5460874).

Almost surely, 2^10921747 is an apocalyptic number.

10921747 is a deficient number, since it is larger than the sum of its proper divisors (1).

10921747 is an equidigital number, since it uses as much as digits as its factorization.

10921747 is an evil number, because the sum of its binary digits is even.

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

The square root of 10921747 is about 3304.8066509253. The cubic root of 10921747 is about 221.8693804568.

The spelling of 10921747 in words is "ten million, nine hundred twenty-one thousand, seven hundred forty-seven".