12673782 has 72 divisors (see below), whose sum is σ = 31574088. Its totient is φ = 3673560.

The previous prime is 12673781. The next prime is 12673799. The reversal of 12673782 is 28737621.

12673782 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12673781) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 551023 + ... + 551045.

It is an arithmetic number, because the mean of its divisors is an integer number (438529).

Almost surely, 2^12673782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12673782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15787044).

12673782 is an abundant number, since it is smaller than the sum of its proper divisors (18900306).

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

12673782 is a wasteful number, since it uses less digits than its factorization.

12673782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 39 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12673782 is about 3560.0255617060. The cubic root of 12673782 is about 233.1499952116.

The spelling of 12673782 in words is "twelve million, six hundred seventy-three thousand, seven hundred eighty-two".