12287741 has 4 divisors (see below), whose sum is σ = 12587484. Its totient is φ = 11988000.

The previous prime is 12287711. The next prime is 12287767. The reversal of 12287741 is 14778221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3076516 + 9211225 = 1754^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 12287741 - 2¹⁸ = 12025597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12287698 and 12287707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149810 + ... + 149891.

It is an arithmetic number, because the mean of its divisors is an integer number (3146871).

Almost surely, 2^12287741 is an apocalyptic number.

It is an amenable number.

12287741 is a deficient number, since it is larger than the sum of its proper divisors (299743).

12287741 is an equidigital number, since it uses as much as digits as its factorization.

12287741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299742.

The product of its digits is 6272, while the sum is 32.

The square root of 12287741 is about 3505.3874250930. The cubic root of 12287741 is about 230.7583099590.

The spelling of 12287741 in words is "twelve million, two hundred eighty-seven thousand, seven hundred forty-one".