12168536 has 8 divisors (see below), whose sum is σ = 22816020. Its totient is φ = 6084264.

The previous prime is 12168517. The next prime is 12168551. The reversal of 12168536 is 63586121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent 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 as a sum of consecutive naturals, namely, 760526 + ... + 760541.

Almost surely, 2^12168536 is an apocalyptic number.

It is an amenable number.

12168536 is a deficient number, since it is larger than the sum of its proper divisors (10647484).

12168536 is a wasteful number, since it uses less digits than its factorization.

12168536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521073 (or 1521069 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 12168536 is about 3488.3428730559. The cubic root of 12168536 is about 230.0096782317.

The spelling of 12168536 in words is "twelve million, one hundred sixty-eight thousand, five hundred thirty-six".