12043994 has 4 divisors (see below), whose sum is σ = 18065994. Its totient is φ = 6021996.

The previous prime is 12043979. The next prime is 12044029. The reversal of 12043994 is 49934021.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 3193369 = 2975^2 + 1787^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12043994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010997 + ... + 3011000.

Almost surely, 2^12043994 is an apocalyptic number.

12043994 is a deficient number, since it is larger than the sum of its proper divisors (6022000).

12043994 is an equidigital number, since it uses as much as digits as its factorization.

12043994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021999.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12043994 is about 3470.4457926900. The cubic root of 12043994 is about 229.2222881775. Note that the first 4 decimals are identical.

The spelling of 12043994 in words is "twelve million, forty-three thousand, nine hundred ninety-four".