10820597 has 8 divisors (see below), whose sum is σ = 11161752. Its totient is φ = 10489440.

The previous prime is 10820591. The next prime is 10820611. The reversal of 10820597 is 79502801.

It can be written as a sum of positive squares in 4 ways, for example, as 7187761 + 3632836 = 2681^2 + 1906^2 .

It is not a de Polignac number, because 10820597 - 2¹⁰ = 10819573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10820591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68843 + ... + 68999.

It is an arithmetic number, because the mean of its divisors is an integer number (1395219).

Almost surely, 2^10820597 is an apocalyptic number.

It is an amenable number.

10820597 is a deficient number, since it is larger than the sum of its proper divisors (341155).

10820597 is an frugal number, since it uses more digits than its factorization.

10820597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 10820597 is about 3289.4675860996. The cubic root of 10820597 is about 221.1823191965.

The spelling of 10820597 in words is "ten million, eight hundred twenty thousand, five hundred ninety-seven".