12428955 has 96 divisors (see below), whose sum is σ = 28574208. Its totient is φ = 4838400.

The previous prime is 12428953. The next prime is 12428987. The reversal of 12428955 is 55982421.

12428955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12428955 - 2¹ = 12428953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12428951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58800 + ... + 59010.

It is an arithmetic number, because the mean of its divisors is an integer number (297648).

Almost surely, 2^12428955 is an apocalyptic number.

12428955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12428955 is an abundant number, since it is smaller than the sum of its proper divisors (16145253).

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

12428955 is a wasteful number, since it uses less digits than its factorization.

12428955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 254 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 12428955 is about 3525.4723087836. The cubic root of 12428955 is about 231.6389238095.

The spelling of 12428955 in words is "twelve million, four hundred twenty-eight thousand, nine hundred fifty-five".