12284749 has 2 divisors, whose sum is σ = 12284750. Its totient is φ = 12284748.

The previous prime is 12284717. The next prime is 12284771. The reversal of 12284749 is 94748221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 2829124 = 3075^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 12284749 - 2⁵ = 12284717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12284549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142374 + 6142375.

It is an arithmetic number, because the mean of its divisors is an integer number (6142375).

Almost surely, 2^12284749 is an apocalyptic number.

It is an amenable number.

12284749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12284749 is an equidigital number, since it uses as much as digits as its factorization.

12284749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 12284749 is about 3504.9606274536. The cubic root of 12284749 is about 230.7395789622.

The spelling of 12284749 in words is "twelve million, two hundred eighty-four thousand, seven hundred forty-nine".