12366780 has 48 divisors (see below), whose sum is σ = 35126784. Its totient is φ = 3250240.

The previous prime is 12366779. The next prime is 12366787. The reversal of 12366780 is 8766321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2809 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 2^12366780 is an apocalyptic number.

12366780 is a gapful number since it is divisible by the number (10) 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 12366780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17563392).

12366780 is an abundant number, since it is smaller than the sum of its proper divisors (22760004).

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

12366780 is a wasteful number, since it uses less digits than its factorization.

12366780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12366780 is about 3516.6432858622. The cubic root of 12366780 is about 231.2520253049.

The spelling of 12366780 in words is "twelve million, three hundred sixty-six thousand, seven hundred eighty".