10821371 has 8 divisors (see below), whose sum is σ = 11982144. Its totient is φ = 9690120.

The previous prime is 10821361. The next prime is 10821373. The reversal of 10821371 is 17312801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10821371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10821373) 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, 6605 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (1497768).

Almost surely, 2^10821371 is an apocalyptic number.

10821371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10821371 is a deficient number, since it is larger than the sum of its proper divisors (1160773).

10821371 is a wasteful number, since it uses less digits than its factorization.

10821371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14761.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 10821371 is about 3289.5852322139. The cubic root of 10821371 is about 221.1875928129.

The spelling of 10821371 in words is "ten million, eight hundred twenty-one thousand, three hundred seventy-one".