12304261 has 2 divisors, whose sum is σ = 12304262. Its totient is φ = 12304260.

The previous prime is 12304219. The next prime is 12304283. The reversal of 12304261 is 16240321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 367236 = 3455^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 12304261 - 2⁷ = 12304133 is a prime.

It is a super-2 number, since 2×12304261² = 302789677512242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12304291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152130 + 6152131.

It is an arithmetic number, because the mean of its divisors is an integer number (6152131).

Almost surely, 2^12304261 is an apocalyptic number.

It is an amenable number.

12304261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304261 is an equidigital number, since it uses as much as digits as its factorization.

12304261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12304261 is about 3507.7430065499. The cubic root of 12304261 is about 230.8616764003.

Adding to 12304261 its reverse (16240321), we get a palindrome (28544582).

The spelling of 12304261 in words is "twelve million, three hundred four thousand, two hundred sixty-one".