10847021 has 4 divisors (see below), whose sum is σ = 10977792. Its totient is φ = 10716252.

The previous prime is 10846999. The next prime is 10847027. The reversal of 10847021 is 12074801.

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 a de Polignac number, because none of the positive numbers 2^k-10847021 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 (10847027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 65261 + ... + 65426.

It is an arithmetic number, because the mean of its divisors is an integer number (2744448).

Almost surely, 2^10847021 is an apocalyptic number.

It is an amenable number.

10847021 is a deficient number, since it is larger than the sum of its proper divisors (130771).

10847021 is an equidigital number, since it uses as much as digits as its factorization.

10847021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130770.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10847021 is about 3293.4815924793. The cubic root of 10847021 is about 221.3622159430.

The spelling of 10847021 in words is "ten million, eight hundred forty-seven thousand, twenty-one".