12072664 has 16 divisors (see below), whose sum is σ = 22680720. Its totient is φ = 6024480.

The previous prime is 12072661. The next prime is 12072679. The reversal of 12072664 is 46627021.

12072664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (1417545).

Almost surely, 2^12072664 is an apocalyptic number.

It is an amenable number.

12072664 is a deficient number, since it is larger than the sum of its proper divisors (10608056).

12072664 is a wasteful number, since it uses less digits than its factorization.

12072664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12072664 is about 3474.5739307144. The cubic root of 12072664 is about 229.4040273164.

Adding to 12072664 its reverse (46627021), we get a palindrome (58699685).

The spelling of 12072664 in words is "twelve million, seventy-two thousand, six hundred sixty-four".