12380439 has 16 divisors (see below), whose sum is σ = 17141760. Its totient is φ = 7939680.

The previous prime is 12380413. The next prime is 12380443. The reversal of 12380439 is 93408321.

It is not a de Polignac number, because 12380439 - 2⁸ = 12380183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380449) 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, 21949 + ... + 22505.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 2^12380439 is an apocalyptic number.

12380439 is a deficient number, since it is larger than the sum of its proper divisors (4761321).

12380439 is a wasteful number, since it uses less digits than its factorization.

12380439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12380439 is about 3518.5848007402. The cubic root of 12380439 is about 231.3371325901.

The spelling of 12380439 in words is "twelve million, three hundred eighty thousand, four hundred thirty-nine".