12994843 has 4 divisors (see below), whose sum is σ = 13039488. Its totient is φ = 12950200.

The previous prime is 12994823. The next prime is 12994853. The reversal of 12994843 is 34849921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12994843 - 2⁵ = 12994811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12994796 and 12994805.

It is not an unprimeable number, because it can be changed into a prime (12994823) by changing a digit.

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, 21883 + ... + 22468.

It is an arithmetic number, because the mean of its divisors is an integer number (3259872).

Almost surely, 2^12994843 is an apocalyptic number.

12994843 is a deficient number, since it is larger than the sum of its proper divisors (44645).

12994843 is an equidigital number, since it uses as much as digits as its factorization.

12994843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44644.

The product of its digits is 62208, while the sum is 40.

The square root of 12994843 is about 3604.8360572986. The cubic root of 12994843 is about 235.1023727804.

The spelling of 12994843 in words is "twelve million, nine hundred ninety-four thousand, eight hundred forty-three".