12036434 has 8 divisors (see below), whose sum is σ = 18220620. Its totient is φ = 5962896.

The previous prime is 12036419. The next prime is 12036457. The reversal of 12036434 is 43463021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11730625 + 305809 = 3425^2 + 553^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27389 + ... + 27824.

Almost surely, 2^12036434 is an apocalyptic number.

12036434 is a deficient number, since it is larger than the sum of its proper divisors (6184186).

12036434 is a wasteful number, since it uses less digits than its factorization.

12036434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55324.

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

The square root of 12036434 is about 3469.3564244684. The cubic root of 12036434 is about 229.1743172910.

Adding to 12036434 its reverse (43463021), we get a palindrome (55499455).

The spelling of 12036434 in words is "twelve million, thirty-six thousand, four hundred thirty-four".