12066531 has 16 divisors (see below), whose sum is σ = 16663680. Its totient is φ = 7761600.

The previous prime is 12066517. The next prime is 12066547. The reversal of 12066531 is 13566021.

It is not a de Polignac number, because 12066531 - 2¹⁰ = 12065507 is a prime.

It is a super-2 number, since 2×12066531² = 291202340747922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12066511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10956 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (1041480).

Almost surely, 2^12066531 is an apocalyptic number.

12066531 is a deficient number, since it is larger than the sum of its proper divisors (4597149).

12066531 is a wasteful number, since it uses less digits than its factorization.

12066531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12066531 is about 3473.6912643469. The cubic root of 12066531 is about 229.3651744387.

It can be divided in two parts, 12066 and 531, that multiplied together give a palindrome (6407046).

The spelling of 12066531 in words is "twelve million, sixty-six thousand, five hundred thirty-one".