12379145 has 8 divisors (see below), whose sum is σ = 15728904. Its totient is φ = 9320704.

The previous prime is 12379139. The next prime is 12379163. The reversal of 12379145 is 54197321.

It can be written as a sum of positive squares in 4 ways, for example, as 2119936 + 10259209 = 1456^2 + 3203^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12379145 - 2²⁰ = 11330569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72734 + ... + 72903.

It is an arithmetic number, because the mean of its divisors is an integer number (1966113).

Almost surely, 2^12379145 is an apocalyptic number.

It is an amenable number.

12379145 is a deficient number, since it is larger than the sum of its proper divisors (3349759).

12379145 is a wasteful number, since it uses less digits than its factorization.

12379145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145659.

The product of its digits is 7560, while the sum is 32.

The square root of 12379145 is about 3518.4009151886. The cubic root of 12379145 is about 231.3290725453.

The spelling of 12379145 in words is "twelve million, three hundred seventy-nine thousand, one hundred forty-five".