12823650 has 192 divisors, whose sum is σ = 42854400. Its totient is φ = 2756160.

The previous prime is 12823649. The next prime is 12823687. The reversal of 12823650 is 5632821.

12823650 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 3 + 650 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 217321 + ... + 217379.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

Almost surely, 2^12823650 is an apocalyptic number.

12823650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12823650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200).

12823650 is an abundant number, since it is smaller than the sum of its proper divisors (30030750).

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

12823650 is a wasteful number, since it uses less digits than its factorization.

12823650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12823650 is about 3581.0124266749. The cubic root of 12823650 is about 234.0653992088.

The spelling of 12823650 in words is "twelve million, eight hundred twenty-three thousand, six hundred fifty".