12016436 has 24 divisors (see below), whose sum is σ = 22656480. Its totient is φ = 5558112.

The previous prime is 12016427. The next prime is 12016439. The reversal of 12016436 is 63461021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (944020).

Almost surely, 2^12016436 is an apocalyptic number.

It is an amenable number.

12016436 is a deficient number, since it is larger than the sum of its proper divisors (10640044).

12016436 is a wasteful number, since it uses less digits than its factorization.

12016436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12016436 is about 3466.4731356236. The cubic root of 12016436 is about 229.0473259548.

Adding to 12016436 its reverse (63461021), we get a palindrome (75477457).

The spelling of 12016436 in words is "twelve million, sixteen thousand, four hundred thirty-six".