12025646 has 8 divisors (see below), whose sum is σ = 18078984. Its totient is φ = 5999320.

The previous prime is 12025631. The next prime is 12025649. The reversal of 12025646 is 64652021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600 + ... + 7443.

It is an arithmetic number, because the mean of its divisors is an integer number (2259873).

Almost surely, 2^12025646 is an apocalyptic number.

12025646 is a deficient number, since it is larger than the sum of its proper divisors (6053338).

12025646 is a wasteful number, since it uses less digits than its factorization.

12025646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12025646 is about 3467.8013207218. The cubic root of 12025646 is about 229.1058288019.

Adding to 12025646 its reverse (64652021), we get a palindrome (76677667).

The spelling of 12025646 in words is "twelve million, twenty-five thousand, six hundred forty-six".