10640497 has 12 divisors (see below), whose sum is σ = 12714420. Its totient is φ = 8872416.

The previous prime is 10640491. The next prime is 10640501. The reversal of 10640497 is 79404601.

It can be written as a sum of positive squares in 2 ways, for example, as 5239521 + 5400976 = 2289^2 + 2324^2 .

It is not a de Polignac number, because 10640497 - 2³ = 10640489 is a prime.

It is a super-2 number, since 2×10640497² = 226440352814018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122 + ... + 4747.

It is an arithmetic number, because the mean of its divisors is an integer number (1059535).

Almost surely, 2^10640497 is an apocalyptic number.

It is an amenable number.

10640497 is a deficient number, since it is larger than the sum of its proper divisors (2073923).

10640497 is an equidigital number, since it uses as much as digits as its factorization.

10640497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920 (or 5913 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 10640497 is about 3261.9774677333. The cubic root of 10640497 is about 219.9483143045.

The spelling of 10640497 in words is "ten million, six hundred forty thousand, four hundred ninety-seven".