12387379 has 4 divisors (see below), whose sum is σ = 12814560. Its totient is φ = 11960200.

The previous prime is 12387377. The next prime is 12387433. The reversal of 12387379 is 97378321.

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

It is a cyclic number.

It is not a de Polignac number, because 12387379 - 2¹ = 12387377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12387377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213547 + ... + 213604.

It is an arithmetic number, because the mean of its divisors is an integer number (3203640).

Almost surely, 2^12387379 is an apocalyptic number.

12387379 is a deficient number, since it is larger than the sum of its proper divisors (427181).

12387379 is an equidigital number, since it uses as much as digits as its factorization.

12387379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427180.

The product of its digits is 63504, while the sum is 40.

The square root of 12387379 is about 3519.5708545219. The cubic root of 12387379 is about 231.3803507615.

The spelling of 12387379 in words is "twelve million, three hundred eighty-seven thousand, three hundred seventy-nine".