12660054 has 32 divisors (see below), whose sum is σ = 27748224. Its totient is φ = 3818880.

The previous prime is 12660013. The next prime is 12660091. The reversal of 12660054 is 45006621.

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 15 ways as a sum of consecutive naturals, for example, 28357 + ... + 28799.

It is an arithmetic number, because the mean of its divisors is an integer number (867132).

Almost surely, 2^12660054 is an apocalyptic number.

12660054 is an abundant number, since it is smaller than the sum of its proper divisors (15088170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12660054 is a wasteful number, since it uses less digits than its factorization.

12660054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12660054 is about 3558.0969632656. The cubic root of 12660054 is about 233.0657835830.

Adding to 12660054 its reverse (45006621), we get a palindrome (57666675).

It can be divided in two parts, 12 and 660054, that added together give a palindrome (660066).

The spelling of 12660054 in words is "twelve million, six hundred sixty thousand, fifty-four".