12450028 has 6 divisors (see below), whose sum is σ = 21787556. Its totient is φ = 6225012.

The previous prime is 12450023. The next prime is 12450059. The reversal of 12450028 is 82005421.

It is a junction number, because it is equal to n+sod(n) for n = 12449990 and 12450008.

It is not an unprimeable number, because it can be changed into a prime (12450023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556250 + ... + 1556257.

Almost surely, 2^12450028 is an apocalyptic number.

It is an amenable number.

12450028 is a deficient number, since it is larger than the sum of its proper divisors (9337528).

12450028 is a wasteful number, since it uses less digits than its factorization.

12450028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112511 (or 3112509 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12450028 is about 3528.4597206146. The cubic root of 12450028 is about 231.7697626696.

Adding to 12450028 its reverse (82005421), we get a palindrome (94455449).

The spelling of 12450028 in words is "twelve million, four hundred fifty thousand, twenty-eight".