12028493 has 2 divisors, whose sum is σ = 12028494. Its totient is φ = 12028492.

The previous prime is 12028487. The next prime is 12028531. The reversal of 12028493 is 39482021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 3396649 = 2938^2 + 1843^2 .

It is a cyclic number.

It is not a de Polignac number, because 12028493 - 2¹⁰ = 12027469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12028693) 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 as a sum of consecutive naturals, namely, 6014246 + 6014247.

It is an arithmetic number, because the mean of its divisors is an integer number (6014247).

Almost surely, 2^12028493 is an apocalyptic number.

It is an amenable number.

12028493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12028493 is an equidigital number, since it uses as much as digits as its factorization.

12028493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12028493 is about 3468.2117870741. The cubic root of 12028493 is about 229.1239071883.

It can be divided in two parts, 12028 and 493, that added together give a palindrome (12521).

The spelling of 12028493 in words is "twelve million, twenty-eight thousand, four hundred ninety-three".