12823136 has 12 divisors (see below), whose sum is σ = 25245612. Its totient is φ = 6411552.

The previous prime is 12823123. The next prime is 12823141. The reversal of 12823136 is 63132821.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200330 + ... + 200393.

It is an arithmetic number, because the mean of its divisors is an integer number (2103801).

Almost surely, 2^12823136 is an apocalyptic number.

12823136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12823136 is a deficient number, since it is larger than the sum of its proper divisors (12422476).

12823136 is an equidigital number, since it uses as much as digits as its factorization.

12823136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400733 (or 400725 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 12823136 is about 3580.9406585421. The cubic root of 12823136 is about 234.0622718822.

Adding to 12823136 its reverse (63132821), we get a palindrome (75955957).

The spelling of 12823136 in words is "twelve million, eight hundred twenty-three thousand, one hundred thirty-six".