10821208 has 32 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 5207328.

The previous prime is 10821199. The next prime is 10821221. The reversal of 10821208 is 80212801.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28363 + ... + 28741.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^10821208 is an apocalyptic number.

It is an amenable number.

10821208 is a deficient number, since it is larger than the sum of its proper divisors (10245992).

10821208 is a wasteful number, since it uses less digits than its factorization.

10821208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 10821208 is about 3289.5604569608. The cubic root of 10821208 is about 221.1864822402.

It can be divided in two parts, 108 and 21208, that added together give a square (21316 = 146²).

The spelling of 10821208 in words is "ten million, eight hundred twenty-one thousand, two hundred eight".