10821697 has 12 divisors (see below), whose sum is σ = 11801856. Its totient is φ = 9911160.

The previous prime is 10821689. The next prime is 10821709. The reversal of 10821697 is 79612801.

It is a happy number.

10821697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10821697 - 2³ = 10821689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10821647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10708 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (983488).

Almost surely, 2^10821697 is an apocalyptic number.

It is an amenable number.

10821697 is a deficient number, since it is larger than the sum of its proper divisors (980159).

10821697 is an equidigital number, since it uses as much as digits as its factorization.

10821697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 10821697 is about 3289.6347821605. The cubic root of 10821697 is about 221.1898139249.

The spelling of 10821697 in words is "ten million, eight hundred twenty-one thousand, six hundred ninety-seven".