12879386 has 8 divisors (see below), whose sum is σ = 20805204. Its totient is φ = 5944320.

The previous prime is 12879337. The next prime is 12879389. The reversal of 12879386 is 68397821.

It can be written as a sum of positive squares in 2 ways, for example, as 12496225 + 383161 = 3535^2 + 619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12879389) 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, 247655 + ... + 247706.

Almost surely, 2^12879386 is an apocalyptic number.

12879386 is a deficient number, since it is larger than the sum of its proper divisors (7925818).

12879386 is a wasteful number, since it uses less digits than its factorization.

12879386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495376.

The product of its digits is 145152, while the sum is 44.

The square root of 12879386 is about 3588.7861457602. The cubic root of 12879386 is about 234.4040187121.

The spelling of 12879386 in words is "twelve million, eight hundred seventy-nine thousand, three hundred eighty-six".