12252637 has 2 divisors, whose sum is σ = 12252638. Its totient is φ = 12252636.

The previous prime is 12252619. The next prime is 12252641. The reversal of 12252637 is 73625221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 3644281 = 2934^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 12252637 - 2⁷ = 12252509 is a prime.

It is a super-2 number, since 2×12252637² = 300254226907538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12252607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126318 + 6126319.

It is an arithmetic number, because the mean of its divisors is an integer number (6126319).

Almost surely, 2^12252637 is an apocalyptic number.

It is an amenable number.

12252637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252637 is an equidigital number, since it uses as much as digits as its factorization.

12252637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 12252637 is about 3500.3766940145. The cubic root of 12252637 is about 230.5383545325.

Adding to 12252637 its reverse (73625221), we get a palindrome (85877858).

The spelling of 12252637 in words is "twelve million, two hundred fifty-two thousand, six hundred thirty-seven".