12066761 has 4 divisors (see below), whose sum is σ = 13790592. Its totient is φ = 10342932.

The previous prime is 12066749. The next prime is 12066797. The reversal of 12066761 is 16766021.

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 a de Polignac number, because none of the positive numbers 2^k-12066761 is a prime.

It is a super-2 number, since 2×12066761² = 291213442062242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12066701) 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, 861905 + ... + 861918.

It is an arithmetic number, because the mean of its divisors is an integer number (3447648).

Almost surely, 2^12066761 is an apocalyptic number.

It is an amenable number.

12066761 is a deficient number, since it is larger than the sum of its proper divisors (1723831).

12066761 is an equidigital number, since it uses as much as digits as its factorization.

12066761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723830.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12066761 is about 3473.7243701825. The cubic root of 12066761 is about 229.3666317384.

The spelling of 12066761 in words is "twelve million, sixty-six thousand, seven hundred sixty-one".