12660254 has 8 divisors (see below), whose sum is σ = 19006680. Its totient is φ = 6324696.

The previous prime is 12660229. The next prime is 12660283. The reversal of 12660254 is 45206621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (2375835).

Almost surely, 2^12660254 is an apocalyptic number.

12660254 is a deficient number, since it is larger than the sum of its proper divisors (6346426).

12660254 is a wasteful number, since it uses less digits than its factorization.

12660254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434.

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

The square root of 12660254 is about 3558.1250680660. The cubic root of 12660254 is about 233.0670108792.

Adding to 12660254 its reverse (45206621), we get a palindrome (57866875).

The spelling of 12660254 in words is "twelve million, six hundred sixty thousand, two hundred fifty-four".