12379287 has 4 divisors (see below), whose sum is σ = 16505720. Its totient is φ = 8252856.

The previous prime is 12379273. The next prime is 12379291. The reversal of 12379287 is 78297321.

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

It is not a de Polignac number, because 12379287 - 2¹⁰ = 12378263 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 (12379207) 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, 2063212 + ... + 2063217.

It is an arithmetic number, because the mean of its divisors is an integer number (4126430).

Almost surely, 2^12379287 is an apocalyptic number.

12379287 is a deficient number, since it is larger than the sum of its proper divisors (4126433).

12379287 is an equidigital number, since it uses as much as digits as its factorization.

12379287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126432.

The product of its digits is 42336, while the sum is 39.

The square root of 12379287 is about 3518.4210947526. The cubic root of 12379287 is about 231.3299570599.

The spelling of 12379287 in words is "twelve million, three hundred seventy-nine thousand, two hundred eighty-seven".