12052636 has 6 divisors (see below), whose sum is σ = 21092120. Its totient is φ = 6026316.

The previous prime is 12052619. The next prime is 12052637. The reversal of 12052636 is 63625021.

It is a self number, because there is not a number n which added to its sum of digits gives 12052636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506576 + ... + 1506583.

Almost surely, 2^12052636 is an apocalyptic number.

It is an amenable number.

12052636 is a deficient number, since it is larger than the sum of its proper divisors (9039484).

12052636 is a wasteful number, since it uses less digits than its factorization.

12052636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013163 (or 3013161 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 12052636 is about 3471.6906544218. The cubic root of 12052636 is about 229.2771001556.

Adding to 12052636 its reverse (63625021), we get a palindrome (75677657).

The spelling of 12052636 in words is "twelve million, fifty-two thousand, six hundred thirty-six".