12404437 has 2 divisors, whose sum is σ = 12404438. Its totient is φ = 12404436.

The previous prime is 12404423. The next prime is 12404449. The reversal of 12404437 is 73440421.

12404437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9449476 + 2954961 = 3074^2 + 1719^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404437 - 2¹¹ = 12402389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202218 + 6202219.

It is an arithmetic number, because the mean of its divisors is an integer number (6202219).

Almost surely, 2^12404437 is an apocalyptic number.

It is an amenable number.

12404437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404437 is an equidigital number, since it uses as much as digits as its factorization.

12404437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 12404437 is about 3521.9933276484. The cubic root of 12404437 is about 231.4865092347.

Adding to 12404437 its reverse (73440421), we get a palindrome (85844858).

The spelling of 12404437 in words is "twelve million, four hundred four thousand, four hundred thirty-seven".