12365380 has 12 divisors (see below), whose sum is σ = 25967340. Its totient is φ = 4946144.

The previous prime is 12365369. The next prime is 12365383. The reversal of 12365380 is 8356321.

12365380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7139584 + 5225796 = 2672^2 + 2286^2 .

It is not an unprimeable number, because it can be changed into a prime (12365383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309115 + ... + 309154.

It is an arithmetic number, because the mean of its divisors is an integer number (2163945).

Almost surely, 2^12365380 is an apocalyptic number.

12365380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12365380 is an abundant number, since it is smaller than the sum of its proper divisors (13601960).

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

12365380 is a wasteful number, since it uses less digits than its factorization.

12365380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618278 (or 618276 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12365380 is about 3516.4442267723. Note that the first 3 decimals coincide. The cubic root of 12365380 is about 231.2432985640.

The spelling of 12365380 in words is "twelve million, three hundred sixty-five thousand, three hundred eighty".