10947997 has 2 divisors, whose sum is σ = 10947998. Its totient is φ = 10947996.

The previous prime is 10947961. The next prime is 10948013. The reversal of 10947997 is 79974901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7284601 + 3663396 = 2699^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10947997 - 2¹⁹ = 10423709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10947947) 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, 5473998 + 5473999.

It is an arithmetic number, because the mean of its divisors is an integer number (5473999).

Almost surely, 2^10947997 is an apocalyptic number.

It is an amenable number.

10947997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10947997 is an equidigital number, since it uses as much as digits as its factorization.

10947997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 10947997 is about 3308.7757554721. The cubic root of 10947997 is about 222.0469897556.

The spelling of 10947997 in words is "ten million, nine hundred forty-seven thousand, nine hundred ninety-seven".