12028741 has 4 divisors (see below), whose sum is σ = 12736332. Its totient is φ = 11321152.

The previous prime is 12028739. The next prime is 12028759. The reversal of 12028741 is 14782021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14782021 = 157 ⋅94153.

It can be written as a sum of positive squares in 2 ways, for example, as 10751841 + 1276900 = 3279^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 12028741 - 2¹ = 12028739 is a prime.

It is a super-2 number, since 2×12028741² = 289381220090162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028781) 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, 353770 + ... + 353803.

It is an arithmetic number, because the mean of its divisors is an integer number (3184083).

Almost surely, 2^12028741 is an apocalyptic number.

It is an amenable number.

12028741 is a deficient number, since it is larger than the sum of its proper divisors (707591).

12028741 is an equidigital number, since it uses as much as digits as its factorization.

12028741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707590.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12028741 is about 3468.2475401851. The cubic root of 12028741 is about 229.1254818477.

It can be divided in two parts, 12028 and 741, that added together give a square (12769 = 113²).

The spelling of 12028741 in words is "twelve million, twenty-eight thousand, seven hundred forty-one".