12428654 has 12 divisors (see below), whose sum is σ = 21686904. Its totient is φ = 5326524.

The previous prime is 12428639. The next prime is 12428657. The reversal of 12428654 is 45682421.

It is a Curzon number.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12428654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63314 + ... + 63509.

It is an arithmetic number, because the mean of its divisors is an integer number (1807242).

Almost surely, 2^12428654 is an apocalyptic number.

12428654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12428654 is a deficient number, since it is larger than the sum of its proper divisors (9258250).

12428654 is a wasteful number, since it uses less digits than its factorization.

12428654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126839 (or 126832 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 12428654 is about 3525.4296192096. The cubic root of 12428654 is about 231.6370538781.

The spelling of 12428654 in words is "twelve million, four hundred twenty-eight thousand, six hundred fifty-four".