12428545 has 8 divisors (see below), whose sum is σ = 14990400. Its totient is φ = 9892080.

The previous prime is 12428543. The next prime is 12428557. The reversal of 12428545 is 54582421.

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

It is not a de Polignac number, because 12428545 - 2¹ = 12428543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12428543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5251 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (1873800).

Almost surely, 2^12428545 is an apocalyptic number.

It is an amenable number.

12428545 is a deficient number, since it is larger than the sum of its proper divisors (2561855).

12428545 is a wasteful number, since it uses less digits than its factorization.

12428545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12695.

The product of its digits is 12800, while the sum is 31.

The square root of 12428545 is about 3525.4141600669. The cubic root of 12428545 is about 231.6363767195.

The spelling of 12428545 in words is "twelve million, four hundred twenty-eight thousand, five hundred forty-five".