12028499 has 4 divisors (see below), whose sum is σ = 13746864. Its totient is φ = 10310136.

The previous prime is 12028493. The next prime is 12028531. The reversal of 12028499 is 99482021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99482021 = 127 ⋅783323.

It is a cyclic number.

It is not a de Polignac number, because 12028499 - 2¹⁶ = 11962963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12028493) 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 3 ways as a sum of consecutive naturals, for example, 859172 + ... + 859185.

It is an arithmetic number, because the mean of its divisors is an integer number (3436716).

Almost surely, 2^12028499 is an apocalyptic number.

12028499 is a deficient number, since it is larger than the sum of its proper divisors (1718365).

12028499 is an equidigital number, since it uses as much as digits as its factorization.

12028499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718364.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 12028499 is about 3468.2126520731. The cubic root of 12028499 is about 229.1239452852.

The spelling of 12028499 in words is "twelve million, twenty-eight thousand, four hundred ninety-nine".