12072566 has 8 divisors (see below), whose sum is σ = 19755144. Its totient is φ = 5487520.

The previous prime is 12072553. The next prime is 12072589. The reversal of 12072566 is 66527021.

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

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 in 3 ways as a sum of consecutive naturals, for example, 274355 + ... + 274398.

It is an arithmetic number, because the mean of its divisors is an integer number (2469393).

Almost surely, 2^12072566 is an apocalyptic number.

12072566 is a deficient number, since it is larger than the sum of its proper divisors (7682578).

12072566 is a wasteful number, since it uses less digits than its factorization.

12072566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548766.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12072566 is about 3474.5598282372. The cubic root of 12072566 is about 229.4034065847.

Adding to 12072566 its reverse (66527021), we get a palindrome (78599587).

It can be divided in two parts, 1207 and 2566, that added together give a palindrome (3773).

The spelling of 12072566 in words is "twelve million, seventy-two thousand, five hundred sixty-six".