10312839 has 20 divisors (see below), whose sum is σ = 16218840. Its totient is φ = 6512400.

The previous prime is 10312823. The next prime is 10312867. The reversal of 10312839 is 93821301.

It is not a de Polignac number, because 10312839 - 2⁴ = 10312823 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1812 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (810942).

Almost surely, 2^10312839 is an apocalyptic number.

10312839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10312839 is a deficient number, since it is larger than the sum of its proper divisors (5906001).

10312839 is an equidigital number, since it uses as much as digits as its factorization.

10312839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732 (or 6723 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10312839 is about 3211.3609264609. The cubic root of 10312839 is about 217.6670773306.

The spelling of 10312839 in words is "ten million, three hundred twelve thousand, eight hundred thirty-nine".