12404369 has 2 divisors, whose sum is σ = 12404370. Its totient is φ = 12404368.

The previous prime is 12404341. The next prime is 12404387. The reversal of 12404369 is 96340421.

12404369 is digitally balanced in base 2 and base 3, because in such bases 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., 12334144 + 70225 = 3512^2 + 265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12404369 is a prime.

It is a super-2 number, since 2×12404369² = 307736740576322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12404389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202184 + 6202185.

It is an arithmetic number, because the mean of its divisors is an integer number (6202185).

Almost surely, 2^12404369 is an apocalyptic number.

It is an amenable number.

12404369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404369 is an equidigital number, since it uses as much as digits as its factorization.

12404369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 12404369 is about 3521.9836740110. The cubic root of 12404369 is about 231.4860862379.

The spelling of 12404369 in words is "twelve million, four hundred four thousand, three hundred sixty-nine".