12380285 has 4 divisors (see below), whose sum is σ = 14856348. Its totient is φ = 9904224.

The previous prime is 12380281. The next prime is 12380293. The reversal of 12380285 is 58208321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5635876 + 6744409 = 2374^2 + 2597^2 .

It is a cyclic number.

It is not a de Polignac number, because 12380285 - 2² = 12380281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380281) 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, 1238024 + ... + 1238033.

It is an arithmetic number, because the mean of its divisors is an integer number (3714087).

Almost surely, 2^12380285 is an apocalyptic number.

It is an amenable number.

12380285 is a deficient number, since it is larger than the sum of its proper divisors (2476063).

12380285 is an equidigital number, since it uses as much as digits as its factorization.

12380285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476062.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 12380285 is about 3518.5629168739. The cubic root of 12380285 is about 231.3361733870.

It can be divided in two parts, 123 and 80285, that added together give a palindrome (80408).

The spelling of 12380285 in words is "twelve million, three hundred eighty thousand, two hundred eighty-five".