12071684 has 6 divisors (see below), whose sum is σ = 21125454. Its totient is φ = 6035840.

The previous prime is 12071681. The next prime is 12071687. The reversal of 12071684 is 48617021.

It is an interprime number because it is at equal distance from previous prime (12071681) and next prime (12071687).

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 16900 = 3472^2 + 130^2 .

It is not an unprimeable number, because it can be changed into a prime (12071681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1508957 + ... + 1508964.

It is an arithmetic number, because the mean of its divisors is an integer number (3520909).

Almost surely, 2^12071684 is an apocalyptic number.

It is an amenable number.

12071684 is a deficient number, since it is larger than the sum of its proper divisors (9053770).

12071684 is a wasteful number, since it uses less digits than its factorization.

12071684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017925 (or 3017923 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12071684 is about 3474.4329033671. The cubic root of 12071684 is about 229.3978198483.

The spelling of 12071684 in words is "twelve million, seventy-one thousand, six hundred eighty-four".