12315379 has 8 divisors (see below), whose sum is σ = 12519360. Its totient is φ = 12113256.

The previous prime is 12315371. The next prime is 12315383. The reversal of 12315379 is 97351321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12315379 - 2³ = 12315371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12315379.

It is not an unprimeable number, because it can be changed into a prime (12315371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18832 + ... + 19474.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^12315379 is an apocalyptic number.

12315379 is a deficient number, since it is larger than the sum of its proper divisors (203981).

12315379 is a wasteful number, since it uses less digits than its factorization.

12315379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its digits is 5670, while the sum is 31.

The square root of 12315379 is about 3509.3274284398. The cubic root of 12315379 is about 230.9311901896.

The spelling of 12315379 in words is "twelve million, three hundred fifteen thousand, three hundred seventy-nine".