12633822 has 96 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 3594240.

The previous prime is 12633809. The next prime is 12633823. The reversal of 12633822 is 22833621.

12633822 is a `hidden beast` number, since 1 + 2 + 633 + 8 + 22 = 666.

12633822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12633822² = 319226916655368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238348 + ... + 238400.

It is an arithmetic number, because the mean of its divisors is an integer number (331695).

Almost surely, 2^12633822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12633822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15921360).

12633822 is an abundant number, since it is smaller than the sum of its proper divisors (19208898).

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

12633822 is a wasteful number, since it uses less digits than its factorization.

12633822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 135 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12633822 is about 3554.4088116029. The cubic root of 12633822 is about 232.9046992478.

The spelling of 12633822 in words is "twelve million, six hundred thirty-three thousand, eight hundred twenty-two".