10812839 has 2 divisors, whose sum is σ = 10812840. Its totient is φ = 10812838.

The previous prime is 10812827. The next prime is 10812859. The reversal of 10812839 is 93821801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10812839 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10812859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5406419 + 5406420.

It is an arithmetic number, because the mean of its divisors is an integer number (5406420).

Almost surely, 2^10812839 is an apocalyptic number.

10812839 is a deficient number, since it is larger than the sum of its proper divisors (1).

10812839 is an equidigital number, since it uses as much as digits as its factorization.

10812839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 10812839 is about 3288.2881564729. The cubic root of 10812839 is about 221.1294464920.

The spelling of 10812839 in words is "ten million, eight hundred twelve thousand, eight hundred thirty-nine".