12911386 has 8 divisors (see below), whose sum is σ = 19388160. Its totient is φ = 6448668.

The previous prime is 12911363. The next prime is 12911399. The reversal of 12911386 is 68311921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (2423520).

Almost surely, 2^12911386 is an apocalyptic number.

12911386 is a deficient number, since it is larger than the sum of its proper divisors (6476774).

12911386 is a wasteful number, since it uses less digits than its factorization.

12911386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028.

The product of its digits is 2592, while the sum is 31.

The square root of 12911386 is about 3593.2417118808. The cubic root of 12911386 is about 234.5979908190.

The spelling of 12911386 in words is "twelve million, nine hundred eleven thousand, three hundred eighty-six".