12449028 has 24 divisors (see below), whose sum is σ = 30577120. Its totient is φ = 3931200.

The previous prime is 12449027. The next prime is 12449029. The reversal of 12449028 is 82094421.

It is an interprime number because it is at equal distance from previous prime (12449027) and next prime (12449029).

It is a junction number, because it is equal to n+sod(n) for n = 12448986 and 12449004.

It is not an unprimeable number, because it can be changed into a prime (12449023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27073 + ... + 27528.

Almost surely, 2^12449028 is an apocalyptic number.

It is an amenable number.

12449028 is an abundant number, since it is smaller than the sum of its proper divisors (18128092).

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

12449028 is a wasteful number, since it uses less digits than its factorization.

12449028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54627 (or 54625 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12449028 is about 3528.3180128781. The cubic root of 12449028 is about 231.7635571690.

The spelling of 12449028 in words is "twelve million, four hundred forty-nine thousand, twenty-eight".