12380389 has 12 divisors (see below), whose sum is σ = 14466144. Its totient is φ = 10564344.

The previous prime is 12380351. The next prime is 12380413. The reversal of 12380389 is 98308321.

It is not a de Polignac number, because 12380389 - 2¹¹ = 12378341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14632 + ... + 15454.

It is an arithmetic number, because the mean of its divisors is an integer number (1205512).

Almost surely, 2^12380389 is an apocalyptic number.

It is an amenable number.

12380389 is a deficient number, since it is larger than the sum of its proper divisors (2085755).

12380389 is an equidigital number, since it uses as much as digits as its factorization.

12380389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 12380389 is about 3518.5776956037. The cubic root of 12380389 is about 231.3368211614.

It can be divided in two parts, 12380 and 389, that added together give a square (12769 = 113²).

The spelling of 12380389 in words is "twelve million, three hundred eighty thousand, three hundred eighty-nine".