12043634 has 8 divisors (see below), whose sum is σ = 18111708. Its totient is φ = 6006400.

The previous prime is 12043621. The next prime is 12043637. The reversal of 12043634 is 43634021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11242609 + 801025 = 3353^2 + 895^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12043637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6707 + ... + 8310.

Almost surely, 2^12043634 is an apocalyptic number.

12043634 is a deficient number, since it is larger than the sum of its proper divisors (6068074).

12043634 is a wasteful number, since it uses less digits than its factorization.

12043634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15420.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 12043634 is about 3470.3939257669. The cubic root of 12043634 is about 229.2200043048.

Adding to 12043634 its reverse (43634021), we get a palindrome (55677655).

The spelling of 12043634 in words is "twelve million, forty-three thousand, six hundred thirty-four".