10640207 has 2 divisors, whose sum is σ = 10640208. Its totient is φ = 10640206.

The previous prime is 10640173. The next prime is 10640219. The reversal of 10640207 is 70204601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10640207 - 2⁶ = 10640143 is a prime.

It is a super-2 number, since 2×10640207² = 226428010005698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10640257) 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, 5320103 + 5320104.

It is an arithmetic number, because the mean of its divisors is an integer number (5320104).

Almost surely, 2^10640207 is an apocalyptic number.

10640207 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640207 is an equidigital number, since it uses as much as digits as its factorization.

10640207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10640207 is about 3261.9330158665. The cubic root of 10640207 is about 219.9463161023.

Adding to 10640207 its reverse (70204601), we get a palindrome (80844808).

The spelling of 10640207 in words is "ten million, six hundred forty thousand, two hundred seven".