12343894 has 16 divisors (see below), whose sum is σ = 18842832. Its totient is φ = 6064128.

The previous prime is 12343889. The next prime is 12343897. The reversal of 12343894 is 49834321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343897) 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 7 ways as a sum of consecutive naturals, for example, 43477 + ... + 43759.

It is an arithmetic number, because the mean of its divisors is an integer number (1177677).

Almost surely, 2^12343894 is an apocalyptic number.

12343894 is a deficient number, since it is larger than the sum of its proper divisors (6498938).

12343894 is a wasteful number, since it uses less digits than its factorization.

12343894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its digits is 20736, while the sum is 34.

The square root of 12343894 is about 3513.3878237394. The cubic root of 12343894 is about 231.1092853207.

The spelling of 12343894 in words is "twelve million, three hundred forty-three thousand, eight hundred ninety-four".