12946379 has 4 divisors (see below), whose sum is σ = 13072176. Its totient is φ = 12820584.

The previous prime is 12946369. The next prime is 12946393. The reversal of 12946379 is 97364921.

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 12946379 - 2⁸ = 12946123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12946319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62744 + ... + 62949.

It is an arithmetic number, because the mean of its divisors is an integer number (3268044).

Almost surely, 2^12946379 is an apocalyptic number.

12946379 is a deficient number, since it is larger than the sum of its proper divisors (125797).

12946379 is a wasteful number, since it uses less digits than its factorization.

12946379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125796.

The product of its digits is 81648, while the sum is 41.

The square root of 12946379 is about 3598.1076971097. The cubic root of 12946379 is about 234.8097388645.

The spelling of 12946379 in words is "twelve million, nine hundred forty-six thousand, three hundred seventy-nine".