12891314 has 8 divisors (see below), whose sum is σ = 19786800. Its totient is φ = 6295716.

The previous prime is 12891259. The next prime is 12891353. The reversal of 12891314 is 41319821.

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

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 3 ways as a sum of consecutive naturals, for example, 74864 + ... + 75035.

It is an arithmetic number, because the mean of its divisors is an integer number (2473350).

Almost surely, 2^12891314 is an apocalyptic number.

12891314 is a deficient number, since it is larger than the sum of its proper divisors (6895486).

12891314 is a wasteful number, since it uses less digits than its factorization.

12891314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149944.

The product of its digits is 1728, while the sum is 29.

The square root of 12891314 is about 3590.4476044081. The cubic root of 12891314 is about 234.4763593355.

The spelling of 12891314 in words is "twelve million, eight hundred ninety-one thousand, three hundred fourteen".