12837822 has 32 divisors (see below), whose sum is σ = 27827712. Its totient is φ = 3932544.

The previous prime is 12837821. The next prime is 12837823. The reversal of 12837822 is 22873821.

It is an interprime number because it is at equal distance from previous prime (12837821) and next prime (12837823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12837821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2923 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (869616).

Almost surely, 2^12837822 is an apocalyptic number.

12837822 is an abundant number, since it is smaller than the sum of its proper divisors (14989890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12837822 is a wasteful number, since it uses less digits than its factorization.

12837822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its digits is 10752, while the sum is 33.

The square root of 12837822 is about 3582.9906502809. The cubic root of 12837822 is about 234.1515929108.

It can be divided in two parts, 128 and 37822, that added together give a triangular number (37950 = T₂₇₅).

The spelling of 12837822 in words is "twelve million, eight hundred thirty-seven thousand, eight hundred twenty-two".