12066637 has 4 divisors (see below), whose sum is σ = 13163616. Its totient is φ = 10969660.

The previous prime is 12066611. The next prime is 12066641. The reversal of 12066637 is 73666021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12066637 - 2¹¹ = 12064589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12066599 and 12066608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066667) 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 3 ways as a sum of consecutive naturals, for example, 548473 + ... + 548494.

It is an arithmetic number, because the mean of its divisors is an integer number (3290904).

Almost surely, 2^12066637 is an apocalyptic number.

It is an amenable number.

12066637 is a deficient number, since it is larger than the sum of its proper divisors (1096979).

12066637 is a wasteful number, since it uses less digits than its factorization.

12066637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096978.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 12066637 is about 3473.7065218582. The cubic root of 12066637 is about 229.3658460661.

The spelling of 12066637 in words is "twelve million, sixty-six thousand, six hundred thirty-seven".