10921277 has 2 divisors, whose sum is σ = 10921278. Its totient is φ = 10921276.

The previous prime is 10921247. The next prime is 10921283. The reversal of 10921277 is 77212901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5635876 + 5285401 = 2374^2 + 2299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10921277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10921217) 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, 5460638 + 5460639.

It is an arithmetic number, because the mean of its divisors is an integer number (5460639).

Almost surely, 2^10921277 is an apocalyptic number.

It is an amenable number.

10921277 is a deficient number, since it is larger than the sum of its proper divisors (1).

10921277 is an equidigital number, since it uses as much as digits as its factorization.

10921277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 10921277 is about 3304.7355416130. The cubic root of 10921277 is about 221.8661978125.

The spelling of 10921277 in words is "ten million, nine hundred twenty-one thousand, two hundred seventy-seven".