12774888 has 192 divisors, whose sum is σ = 44323200. Its totient is φ = 3386880.

The previous prime is 12774869. The next prime is 12774889. The reversal of 12774888 is 88847721.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12774889) 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 47 ways as a sum of consecutive naturals, for example, 179893 + ... + 179963.

It is an arithmetic number, because the mean of its divisors is an integer number (230850).

Almost surely, 2^12774888 is an apocalyptic number.

12774888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12774888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22161600).

12774888 is an abundant number, since it is smaller than the sum of its proper divisors (31548312).

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

12774888 is a wasteful number, since it uses less digits than its factorization.

12774888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 100 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 12774888 is about 3574.1975323141. The cubic root of 12774888 is about 233.7683440473.

The spelling of 12774888 in words is "twelve million, seven hundred seventy-four thousand, eight hundred eighty-eight".