12891674 has 8 divisors (see below), whose sum is σ = 19382880. Its totient is φ = 6430716.

The previous prime is 12891653. The next prime is 12891713. The reversal of 12891674 is 47619821.

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, 6464 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (2422860).

Almost surely, 2^12891674 is an apocalyptic number.

12891674 is a deficient number, since it is larger than the sum of its proper divisors (6491206).

12891674 is a wasteful number, since it uses less digits than its factorization.

12891674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124.

The product of its digits is 24192, while the sum is 38.

The square root of 12891674 is about 3590.4977370833. The cubic root of 12891674 is about 234.4785419602.

The spelling of 12891674 in words is "twelve million, eight hundred ninety-one thousand, six hundred seventy-four".