12490028 has 12 divisors (see below), whose sum is σ = 21882840. Its totient is φ = 6237792.

The previous prime is 12490001. The next prime is 12490031. The reversal of 12490028 is 82009421.

It is a junction number, because it is equal to n+sod(n) for n = 12489979 and 12490006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4643 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (1823570).

Almost surely, 2^12490028 is an apocalyptic number.

It is an amenable number.

12490028 is a deficient number, since it is larger than the sum of its proper divisors (9392812).

12490028 is a wasteful number, since it uses less digits than its factorization.

12490028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12490028 is about 3534.1233707951. The cubic root of 12490028 is about 232.0177106971.

Adding to 12490028 its reverse (82009421), we get a palindrome (94499449).

The spelling of 12490028 in words is "twelve million, four hundred ninety thousand, twenty-eight".