10860821 has 4 divisors (see below), whose sum is σ = 10962432. Its totient is φ = 10759212.

The previous prime is 10860809. The next prime is 10860851. The reversal of 10860821 is 12806801.

10860821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10860821 - 2¹⁴ = 10844437 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 (10860851) 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, 50645 + ... + 50858.

It is an arithmetic number, because the mean of its divisors is an integer number (2740608).

Almost surely, 2^10860821 is an apocalyptic number.

It is an amenable number.

10860821 is a deficient number, since it is larger than the sum of its proper divisors (101611).

10860821 is a wasteful number, since it uses less digits than its factorization.

10860821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101610.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 10860821 is about 3295.5759739384. The cubic root of 10860821 is about 221.4560513539.

The spelling of 10860821 in words is "ten million, eight hundred sixty thousand, eight hundred twenty-one".