10820897 has 4 divisors (see below), whose sum is σ = 10973376. Its totient is φ = 10668420.

The previous prime is 10820893. The next prime is 10820903. The reversal of 10820897 is 79802801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10820897 - 2² = 10820893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10820893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76133 + ... + 76274.

It is an arithmetic number, because the mean of its divisors is an integer number (2743344).

Almost surely, 2^10820897 is an apocalyptic number.

It is an amenable number.

10820897 is a deficient number, since it is larger than the sum of its proper divisors (152479).

10820897 is an equidigital number, since it uses as much as digits as its factorization.

10820897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152478.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 10820897 is about 3289.5131858681. The cubic root of 10820897 is about 221.1843632637.

The spelling of 10820897 in words is "ten million, eight hundred twenty thousand, eight hundred ninety-seven".